7-letter words ending with IN
Dive into the specific realm of 7-letter words that conclude with the letter IN. This focused section reveals the fascinating ways in which words of this particular length, ending with IN, contribute to the richness of the English language. Whether it's for expanding your vocabulary, solving puzzles, or simply for the love of words, discover how these terms uniquely blend length and ending sound.
| Word | Points | Definition | Sentence example |
|---|---|---|---|
| captain | 11 | the leader of a group of people | a captain of industry |
| explain | 16 | serve as a reason or cause or justification of | Her recent divorce may explain her reluctance to date again |
| certain | 9 | having or feeling no doubt or uncertainty; confident and assured | felt certain of success |
| bargain | 10 | an agreement between parties (usually arrived at after discussion) fixing obligations of each | he made a bargain with the devil |
| contain | 9 | be capable of holding or containing | - |
| curtain | 9 | hanging cloth used as a blind (especially for a window) | - |
| pumpkin | 17 | a coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes | - |
| villain | 10 | a wicked or evil person; someone who does evil deliberately | - |
| aspirin | 9 | the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets | - |
| dolphin | 13 | large slender food and game fish widely distributed in warm seas (especially around Hawaii) | - |
| protein | 9 | any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes | a diet high in protein |
| penguin | 10 | short-legged flightless birds of cold southern especially Antarctic regions having webbed feet and wings modified as flippers | - |
| sustain | 7 | lengthen or extend in duration or space | We sustained the diplomatic negotiations as long as possible |
| griffin | 14 | winged monster with the head of an eagle and the body of a lion | - |
| terrain | 7 | a piece of ground having specific characteristics or military potential | they decided to attack across the rocky terrain |
| vitamin | 12 | any of a group of organic substances essential in small quantities to normal metabolism | - |
| refrain | 10 | resist doing something | He refrained from hitting him back |
| insulin | 7 | hormone secreted by the isles of Langerhans in the pancreas; regulates storage of glycogen in the liver and accelerates oxidation of sugar in cells | - |
| germain | 10 | - | - |
| kingpin | 14 | bolt that provides a steering joint in a motor vehicle | - |
| brahmin | 14 | the highest of the four varnas: the priestly or sacerdotal category | - |
| kremlin | 13 | citadel of a Russian town | - |
| therein | 10 | (formal) in or into that thing or place | they can read therein what our plans are |
| bumpkin | 17 | a person who is not very intelligent or interested in culture | - |
| disdain | 9 | look down on with disdain | - |
| wherein | 13 | - | - |
| abstain | 9 | choose not to consume | I abstain from alcohol |
| sirloin | 7 | the portion of the loin (especially of beef) just in front of the rump | - |
| bedouin | 10 | a member of a nomadic tribe of Arabs | - |
| hairpin | 12 | a double pronged pin used to hold women's hair in place | - |
| dustbin | 10 | a bin that holds rubbish until it is collected | - |
| gelatin | 8 | a thin translucent membrane used over stage lights for color effects | - |
| muezzin | 27 | the Muslim official of a mosque who summons the faithful to prayer from a minaret five times a day | - |
| crispin | 11 | patron saint of shoemakers; he and his brother were martyred for trying to spread Christianity (3rd century) | - |
| serafin | 10 | - | - |
| paladin | 10 | someone who fights for a cause | - |
| gherkin | 15 | any of various small cucumbers pickled whole | - |
| unchain | 12 | make free | - |
| gremlin | 10 | (folklore) fairies that are somewhat mischievous | - |
| javelin | 17 | an athletic competition in which a javelin is thrown as far as possible | - |
| dauphin | 13 | formerly, the eldest son of the King of France and direct heir to the throne | - |
| pigskin | 14 | leather from the skin of swine | - |
| redskin | 12 | (slang) offensive term for Native Americans | - |
| chagrin | 13 | strong feelings of embarrassment | - |
| retrain | 7 | teach new skills | We must retrain the linguists who cannot find employment |
| pertain | 9 | be relevant to | My remark pertained to your earlier comments |
| maudlin | 10 | effusively or insincerely emotional | maudlin expressions of sympathy |
| heparin | 12 | a polysaccharide produced in basophils (especially in the lung and liver) and that inhibits the activity of thrombin in coagulation of the blood; it (trade names Lipo-Hepin and Liquaemin) is used as an anticoagulant in the treatment of thrombosis and in heart surgery | - |
| jacobin | 18 | a member of the radical movement that instituted the Reign of Terror during the French Revolution | - |
| chitlin | 12 | - | - |
| poussin | 9 | French painter in the classical style (1594-1665) | - |
| relaxin | 14 | hormone secreted by the corpus luteum during the last days of pregnancy; relaxes the pelvic ligaments and prepares the uterus for labor | - |
| digoxin | 16 | digitalis preparation (trade name Lanoxin) used to treat congestive heart failure or cardiac arrhythmia; helps the heart beat more forcefully | - |
| lambkin | 15 | a very young lamb | - |
| melanin | 9 | insoluble pigments that account for the color of e.g. skin and scales and feathers | - |
| oilskin | 11 | a macintosh made from cotton fabric treated with oil and pigment to make it waterproof | - |
| bluefin | 12 | flesh of very large tuna | - |
| albumin | 11 | a simple water-soluble protein found in many animal tissues and liquids | - |
| lanolin | 7 | a yellow viscous animal oil extracted from wool; a mixture of fatty acids and esters; used in some ointments and cosmetics | - |
| creatin | 9 | an amino acid that does not occur in proteins but is found in the muscle tissue of vertebrates both in the free form and as phosphocreatine; supplies energy for muscle contraction | - |
| sculpin | 11 | any of numerous spiny large-headed usually scaleless scorpaenoid fishes with broad mouths | - |
| tailfin | 10 | a stabilizer that is part of the vertical tail structure of an airplane | - |
| thiamin | 12 | a B vitamin that prevents beriberi; maintains appetite and growth | - |
| chlorin | 12 | - | - |
| navarin | 10 | - | - |
| keratin | 11 | a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | - |
| outgrin | 8 | - | - |
| detrain | 8 | leave a train | - |
| elastin | 7 | a fibrous scleroprotein found in elastic tissues such as the walls of arteries | - |
| entrain | 7 | board a train | - |
| saponin | 9 | any of various plant glucosides that form soapy lathers when mixed and agitated with water; used in detergents and foaming agents and emulsifiers | - |
| savarin | 10 | a sponge cake baked in a ring mold | - |
| salicin | 9 | - | - |
| sagouin | 8 | - | - |
| scuchin | 14 | - | - |
| sericin | 9 | - | - |
| shinkin | 14 | - | - |
| sextain | 14 | - | - |
| simpkin | 15 | - | - |
| smidgin | 11 | a tiny or scarcely detectable amount | - |
| skulpin | 13 | - | - |
| solanin | 7 | - | - |
| snaptin | 9 | - | - |
| spongin | 10 | - | - |
| soupfin | 12 | Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A) | - |
| speldin | 10 | - | - |
| stearin | 7 | an ester of glycerol and stearic acid | - |
| subjoin | 16 | add to the end | - |
| suberin | 9 | - | - |
| surloin | 7 | - | - |
| suramin | 9 | - | - |
| tanghin | 11 | - | - |
| tamarin | 9 | small South American marmoset with silky fur and long nonprehensile tail | - |
| taborin | 9 | - | - |
| tolidin | 8 | - | - |
| topspin | 11 | forward spin (usually of a moving ball) that is imparted by an upward stroke | - |
| triazin | 16 | - | - |
| torulin | 7 | - | - |
| thionin | 10 | - | - |
| thiazin | 19 | - | - |
| theelin | 10 | a naturally occurring weak estrogenic hormone secreted by the mammalian ovary; synthesized (trade name Estronol) and used to treat estrogen deficiency | - |
| unslain | 7 | - | - |
| uptrain | 9 | - | - |
| vervain | 13 | any of numerous tropical or subtropical American plants of the genus Verbena grown for their showy spikes of variously colored flowers | - |
| villein | 10 | (Middle Ages) a person who is bound to the land and owned by the feudal lord | - |
| vitrain | 10 | - | - |
| volutin | 10 | - | - |
| westlin | 10 | - | - |
| wolfkin | 17 | - | - |
| woodbin | 13 | - | - |
| tunicin | 9 | - | - |
| turacin | 9 | - | - |
| tubulin | 9 | - | - |
| trypsin | 12 | an enzyme of pancreatic origin; catalyzes the hydrolysis of proteins to smaller polypeptide units | - |
| tylosin | 10 | - | - |
| xanthin | 17 | - | - |
| xerafin | 17 | - | - |
| xylidin | 18 | - | - |
| zecchin | 23 | - | - |
| bredrin | 10 | - | - |
| bitcoin | 11 | - | - |
| hominin | 12 | - | - |
| ghrelin | 11 | a gastrointestinal hormone produced by epithelial cells lining the fundus of the stomach; appears to be a stimulant for appetite and feeding, but is also a strong stimulant of growth hormone secretion from the anterior pituitary | - |
| numpkin | 15 | - | - |
| pyronin | 12 | - | - |
| sirtuin | 7 | - | - |
| snubfin | 12 | - | - |
| atebrin | 9 | - | - |
| atabrin | 9 | - | - |
| atropin | 9 | - | - |
| barmkin | 15 | - | - |
| baladin | 10 | - | - |
| bawdkin | 17 | - | - |
| bedawin | 13 | - | - |
| beaufin | 12 | - | - |
| benzoin | 18 | gum resin used especially in treating skin irritation | - |
| bestain | 9 | - | - |
| bodikin | 14 | - | - |
| botulin | 9 | potent bacterial toxin produced by the bacterium Clostridium botulinum that causes botulism; can be used as a bioweapon | - |
| boursin | 9 | - | - |
| boomkin | 15 | - | - |
| brodkin | 14 | - | - |
| butyrin | 12 | any of three glycerides of butyric acid | - |
| capelin | 11 | very small northern fish; forage for sea birds and marine mammals and other fishes | - |
| canikin | 13 | - | - |
| carabin | 11 | - | - |
| caffein | 15 | a bitter alkaloid found in coffee and tea that is responsible for their stimulating effects | - |
| canakin | 13 | - | - |
| calpain | 11 | - | - |
| catskin | 13 | - | - |
| ceresin | 9 | a white wax extracted from ozokerite | - |
| cerasin | 9 | - | - |
| ceratin | 9 | a fibrous scleroprotein that occurs in the outer layer of the skin and in horny tissues such as hair, feathers, nails, and hooves | - |
| carotin | 9 | an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver | - |
| chauvin | 15 | - | - |
| alkalin | 11 | - | - |
| allicin | 9 | - | - |
| aneurin | 7 | a B vitamin that prevents beriberi; maintains appetite and growth | - |
| folacin | 12 | a B vitamin that is essential for cell growth and reproduction | - |
| fluorin | 10 | - | - |
| fuchsin | 15 | - | - |
| foxskin | 21 | - | - |
| gastrin | 8 | polypeptide hormone secreted by the mucous lining of the stomach; when peptides and amino acids are present in the small intestine the secretion of gastric acid is stimulated | - |
| gallein | 8 | - | - |
| galopin | 10 | - | - |
| gliadin | 9 | - | - |
| glairin | 8 | - | - |
| glonoin | 8 | - | - |
| graplin | 10 | - | - |
| griskin | 12 | - | - |
| halflin | 13 | - | - |
| hafflin | 16 | - | - |
| hematin | 12 | a complex red organic pigment containing iron and other atoms to which oxygen binds | - |
| headpin | 13 | the front bowling pin in the triangular arrangement of ten pins | - |
| hirudin | 11 | - | - |
| hoatzin | 19 | crested ill-smelling South American bird whose young have claws on the first and second digits of the wings | - |
| hordein | 11 | - | - |
| huitain | 10 | - | - |
| huffkin | 20 | - | - |
| indamin | 10 | - | - |
| indulin | 8 | - | - |
| inchpin | 14 | - | - |
| ingrain | 8 | thoroughly work in | - |
| inhibin | 12 | - | - |
| isospin | 9 | - | - |
| fivepin | 15 | - | - |
| finikin | 14 | - | - |
| fibroin | 12 | - | - |
| ladykin | 15 | - | - |
| kipskin | 17 | - | - |
| kinetin | 11 | - | - |
| kinchin | 16 | - | - |
| laminin | 9 | - | - |
| limpkin | 15 | wading bird of Florida, Cuba and Jamaica having a drooping bill and a distinctive wailing call | - |
| ligroin | 8 | - | - |
| legumin | 10 | - | - |
| levulin | 10 | - | - |
| lordkin | 12 | - | - |
| lumpkin | 15 | - | - |
| lobefin | 12 | any fish of the order Crossopterygii; most known only in fossil form | - |
| littlin | 7 | - | - |
| manikin | 13 | a woman who wears clothes to display fashions | - |
| manakin | 13 | a woman who wears clothes to display fashions | - |
| lupulin | 9 | - | - |
| mafflin | 15 | - | - |
| maximin | 18 | - | - |
| mauvein | 12 | - | - |
| meconin | 11 | - | - |
| mashlin | 12 | - | - |
| mesquin | 18 | - | - |
| minikin | 13 | - | - |
| mislain | 9 | - | - |
| misjoin | 16 | - | - |
| miscoin | 11 | - | - |
| mueddin | 11 | - | - |
| mondain | 10 | - | - |
| morphin | 14 | - | - |
| narcein | 9 | - | - |
| mullein | 9 | any of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowers | - |
| murlain | 9 | - | - |
| murrain | 9 | any disease of domestic animals that resembles a plague | - |
| ninepin | 9 | a bowling pin of the type used in playing ninepins or (in England) skittles | - |
| nicotin | 9 | - | - |
| nuclein | 9 | - | - |
| jalapin | 16 | - | - |
| kidskin | 16 | soft smooth leather from the hide of a young goat | - |
| khamsin | 16 | an oppressively hot southerly wind from the Sahara that blows across Egypt in the spring | - |
| pearlin | 9 | - | - |
| patulin | 9 | - | - |
| phallin | 12 | - | - |
| picolin | 11 | - | - |
| pinguin | 10 | - | - |
| pocosin | 11 | - | - |
| plasmin | 11 | an enzyme that dissolves the fibrin of blood clots | - |
| prawlin | 12 | - | - |
| poperin | 11 | - | - |
| pushpin | 14 | a tack for attaching papers to a bulletin board or drawing board | - |
| quassin | 16 | - | - |
| ptomain | 11 | any of various amines (such as putrescine or cadaverine) formed by the action of putrefactive bacteria | - |
| ptyalin | 12 | an amylase secreted in saliva | - |
| purloin | 9 | make off with belongings of others | - |
| ramakin | 13 | - | - |
| ramekin | 13 | a small fireproof dish used for baking and serving individual portions | - |
| quintin | 16 | - | - |
| quiblin | 18 | - | - |
| quodlin | 17 | - | - |
| ravelin | 10 | - | - |
| rattlin | 7 | - | - |
| rebegin | 10 | - | - |
| resilin | 7 | - | - |
| opsonin | 9 | an antibody in blood serum that attaches to invading microorganisms and other antigens to make them more susceptible to the action of phagocytes | - |
| oestrin | 7 | - | - |
| ouabain | 9 | - | - |
| outlain | 7 | - | - |
| outgain | 8 | - | - |
| complin | 13 | last of the seven canonical hours just before retiring | - |
| conjoin | 16 | make contact or come together | - |
| crocein | 11 | - | - |
| cremsin | 11 | - | - |
| cowskin | 16 | leather made from the hide of a cow | - |
| cumarin | 11 | - | - |
| cutikin | 13 | - | - |
| darrain | 8 | - | - |
| cycasin | 14 | - | - |
| cystein | 12 | - | - |
| delphin | 13 | - | - |
| destain | 8 | remove stain from (a laboratory specimen) to enhance contrast | - |
| dextrin | 15 | any of various polysaccharides obtained by hydrolysis of starch; a tasteless and odorless gummy substance that is used as a thickening agent and in adhesives and in dietary supplements | - |
| doitkin | 12 | - | - |
| dogskin | 13 | - | - |
| doeskin | 12 | a fine smooth soft woolen fabric | - |
| disjoin | 15 | become separated, disconnected or disjoint | - |
| distain | 8 | - | - |
| drumlin | 10 | a mound of glacial drift | - |
| duckpin | 16 | a bowling pin that is short and squat by comparison with a tenpin | - |
| eastlin | 7 | - | - |
| eiswein | 10 | - | - |
| dumpbin | 14 | - | - |
| enchain | 12 | restrain or bind with chains | - |
| emulsin | 9 | - | - |
| erepsin | 9 | - | - |
| ermelin | 9 | - | - |
| engrain | 8 | - | - |
| etiolin | 7 | - | - |
| clarain | 9 | - | - |
| cinerin | 9 | - | - |
| cipolin | 11 | - | - |
| colicin | 11 | - | - |
| coalbin | 11 | a bin for holding coal | - |
| adermin | 10 | a B vitamin that is essential for metabolism of amino acids and starch | - |
| acyloin | 12 | - | - |
| acrasin | 9 | - | - |
| acridin | 10 | - | - |
