9-letter words ending with IN
Dive into the specific realm of 9-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 |
|---|---|---|---|
| entertain | 9 | take into consideration, have in view | He entertained the notion of moving to South America |
| uncertain | 11 | not established or confirmed | - |
| porcelain | 13 | ceramic ware made of a more or less translucent ceramic | - |
| palanquin | 20 | a closed litter carried on the shoulders of four bearers | - |
| mannequin | 20 | a woman who wears clothes to display fashions | she was too fat to be a mannequin |
| chieftain | 17 | the leader of a group of people | - |
| adrenalin | 10 | a catecholamine secreted by the adrenal medulla in response to stress (trade name Adrenalin); stimulates autonomic nerve action | - |
| serotonin | 9 | a neurotransmitter involved in e.g. sleep and depression and memory | - |
| ascertain | 11 | find out, learn, or determine with certainty, usually by making an inquiry or other effort | - |
| boatswain | 14 | a petty officer on a merchant ship who controls the work of other seamen | - |
| washbasin | 17 | a bathroom sink that is permanently installed and connected to a water supply and drainpipe; where you can wash your hands and face | - |
| sheepskin | 18 | a document certifying the successful completion of a course of study | - |
| snakeskin | 17 | - | - |
| birdbrain | 14 | a person with confused ideas; incapable of serious thought | - |
| tarpaulin | 11 | waterproofed canvas | - |
| melatonin | 11 | hormone secreted by the pineal gland | - |
| harlequin | 21 | a clown or buffoon (after the Harlequin character in the commedia dell'arte) | - |
| endorphin | 15 | a neurochemical occurring naturally in the brain and having analgesic properties | - |
| hobgoblin | 17 | an object of dread or apprehension | A foolish consistency is the hobgoblin of little minds |
| constrain | 11 | to close within bounds, or otherwise limit or deprive of free movement | - |
| yellowfin | 18 | may reach 400 pounds; worldwide in tropics | - |
| saccharin | 16 | a crystalline substance 500 times sweeter than sugar; used as a calorie-free sweetener | - |
| lamebrain | 13 | - | - |
| hindbrain | 15 | the posterior portion of the brain including cerebellum and brainstem | - |
| sharkskin | 20 | a smooth crisp fabric | - |
| prolactin | 13 | gonadotropic hormone secreted by the anterior pituitary; in females it stimulates growth of the mammary glands and lactation after parturition | - |
| antitoxin | 16 | an antibody that can neutralize a specific toxin | - |
| mitomycin | 18 | a complex of antibiotic substances obtained from a streptomyces bacterium; one form (trade name Mutamycin) shows promise as an anticancer drug | - |
| mycotoxin | 23 | a toxin produced by a fungus | - |
| myoglobin | 17 | a hemoprotein that receives oxygen from hemoglobin and stores it in the tissues until needed | - |
| mujahedin | 22 | a military force of Muslim guerilla warriors engaged in a jihad | - |
| mujahidin | 22 | a military force of Muslim guerilla warriors engaged in a jihad | some call the mujahidin international warriors but others just call them terrorists |
| nipperkin | 17 | - | - |
| ninhydrin | 16 | - | - |
| nonvirgin | 13 | - | - |
| onionskin | 13 | a thin strong lightweight translucent paper used especially for making carbon copies | - |
| oleoresin | 9 | a naturally occurring mixture of a resin and an essential oil; obtained from certain plants | - |
| organotin | 10 | - | - |
| ovalbumin | 16 | the white part of an egg; the nutritive and protective gelatinous substance surrounding the yolk consisting mainly of albumin dissolved in water | - |
| outstrain | 9 | - | - |
| overtrain | 12 | - | - |
| oxacillin | 18 | a form of penicillin resistant to penicillinase and effective against penicillin-resistant staphylococci | - |
| overgrain | 13 | - | - |
| overstain | 12 | - | - |
| merbromin | 15 | - | - |
| mavournin | 14 | - | - |
| metheglin | 15 | spiced or medicated mead | - |
| metformin | 16 | an antidiabetic drug (trade name Glucophage) prescribed to treat type II diabetes | - |
| woodgrain | 14 | texture produced by the fibers in wood | - |
| saxitoxin | 23 | a powerful neurotoxin produced by certain dinoflagellates found in red tides; it can accumulate in mollusks that feed on the dinoflagellates and cause food poisoning to humans | - |
| sapogenin | 12 | - | - |
| sannyasin | 12 | a Hindu religious mendicant | - |
| sclerotin | 11 | - | - |
| scarfskin | 18 | - | - |
| shubunkin | 18 | - | - |
| slammakin | 17 | - | - |
| slinkskin | 17 | - | - |
| sooterkin | 13 | - | - |
| spillikin | 15 | a thin strip of wood used in playing the game of jackstraws | - |
| spadassin | 12 | - | - |
| rifamycin | 19 | - | - |
| ribavirin | 14 | an inhaled antiviral agent (trade name Virazole) that may be used to treat serious virus infections | - |
| rhodopsin | 15 | a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light | - |
| saintfoin | 12 | - | - |
| rosanilin | 9 | - | - |
| tambourin | 13 | - | - |
| tanghinin | 13 | - | - |
| sympathin | 19 | - | - |
| tephillin | 14 | - | - |
| tarboggin | 13 | - | - |
| tearstain | 9 | - | - |
| thickskin | 22 | - | - |
| threadfin | 16 | mullet-like tropical marine fishes having pectoral fins with long threadlike rays | - |
| thaumatin | 14 | - | - |
| travertin | 12 | - | - |
| tretinoin | 9 | - | - |
| trampolin | 13 | - | - |
| tropeolin | 11 | - | - |
| trinitrin | 9 | - | - |
| ultrathin | 12 | - | - |
| ubiquitin | 20 | - | - |
| tyrocidin | 15 | a basic polypeptide antibiotic derived from a soil bacterium; a major component of tyrothricin | - |
| turnagain | 10 | - | - |
| typhoidin | 18 | - | - |
| underlain | 10 | - | - |
| underspin | 12 | - | - |
| uncurtain | 11 | - | - |
| vasotocin | 14 | - | - |
| superlain | 11 | - | - |
| superthin | 14 | - | - |
| surrejoin | 16 | - | - |
| pituitrin | 11 | - | - |
| polymyxin | 26 | any of several toxic antibiotics obtained from a particular soil bacterium | - |
| porphyrin | 19 | any of various pigments distributed widely in living tissues | - |
| preobtain | 13 | - | - |
| preordain | 12 | foreordain or determine beforehand | - |
| progestin | 12 | any of a group of steroid hormones that have the effect of progesterone | - |
| properdin | 14 | - | - |
| princekin | 17 | - | - |
| puromycin | 18 | - | - |
| quercetin | 20 | - | - |
| quercitin | 20 | - | - |
| pyrethrin | 17 | - | - |
| pyridoxin | 22 | - | - |
| pyroxylin | 24 | highly flammable nitrocellulose used in making collodion and plastics and lacquers | - |
| rebbetzin | 22 | - | - |
| reexplain | 18 | - | - |
| peneplain | 13 | a more or less level land surface representing an advanced stage of erosion undisturbed by crustal movements | - |
| pellagrin | 12 | - | - |
| phlorizin | 23 | - | - |
| phthalein | 17 | - | - |
| phenytoin | 17 | an anticonvulsant drug (trade name Dilantin) used to treat epilepsy and that is not a sedative | - |
| phaseolin | 14 | - | - |
| hydantoin | 16 | any of a group of anticonvulsant drugs used in treating epilepsy | - |
| indirubin | 12 | - | - |
| indigotin | 11 | a blue dye obtained from plants or made synthetically | - |
| incertain | 11 | lacking or indicating lack of confidence or assurance | - |
| interjoin | 16 | - | - |
| intervein | 12 | - | - |
| kilderkin | 18 | an obsolete British unit of capacity equal to 18 Imperial gallons | - |
| kanamycin | 20 | antibiotic (trade name Kantrex) used to treat severe infections | - |
| laminarin | 11 | - | - |
| luciferin | 14 | pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation | - |
| hemotoxin | 21 | - | - |
| hemolysin | 17 | any substance that can cause lysis (destruction) of erythrocytes (red blood cells) and the release of their hemoglobin | - |
| hecogenin | 15 | - | - |
| heartikin | 16 | - | - |
| hifalutin | 15 | affectedly genteel | - |
| cytolysin | 17 | a substance that partly or completely destroys animal cells | - |
| cytokinin | 18 | any of a class of plant hormones that promote cell division and delay the senescence of leaves | - |
| damasquin | 21 | - | - |
| cytotoxin | 21 | any substance that has a toxic effect on cells | - |
| diosgenin | 11 | - | - |
| digitonin | 11 | - | - |
| digitoxin | 18 | digitalis preparation used to treat congestive heart failure or cardiac arrhythmia | - |
| digitalin | 11 | a powerful cardiac stimulant obtained from foxglove | - |
| disseizin | 19 | - | - |
| disseisin | 10 | - | - |
| dynorphin | 18 | - | - |
| dysbindin | 16 | - | - |
| duralumin | 12 | an aluminum-based alloy | - |
| eledoisin | 10 | - | - |
| cockswain | 20 | - | - |
| cocaptain | 15 | - | - |
| cobalamin | 15 | a B vitamin that is used to treat pernicious anemia | - |
| euchlorin | 14 | - | - |
| eumelanin | 11 | - | - |
| feedgrain | 14 | - | - |
| eyestrain | 12 | a tiredness of the eyes caused by prolonged close work by a person with an uncorrected vision problem | - |
| filigrain | 13 | - | - |
| fibrillin | 14 | - | - |
| flagellin | 13 | - | - |
| forebrain | 14 | the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tube | - |
| forecabin | 16 | - | - |
| francolin | 14 | - | - |
| genistein | 10 | - | - |
| grosgrain | 11 | a silk or silklike fabric with crosswise ribs | - |
| grimalkin | 16 | - | - |
| haematein | 14 | - | - |
| endotoxin | 17 | a toxin that is confined inside the microorganisms and is released only when the microorganisms are broken down or die | - |
| encurtain | 11 | - | - |
| baragouin | 12 | - | - |
| bilirubin | 13 | an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce the yellow appearance observed in jaundice | - |
| bromelain | 13 | - | - |
| bromeosin | 13 | a red fluorescent dye resulting from the action of bromine on fluorescein; used in cosmetics and as a biological stain for studying cell structures | - |
| bufotalin | 14 | - | - |
| breastpin | 13 | a decorative pin worn by women | - |
| brasilein | 11 | - | - |
| brazilein | 20 | - | - |
| capsaicin | 15 | colorless pungent crystalline compound derived from capsicum; source of the hotness of hot peppers of the genus Capsicum such as chili and cayenne and jalapeno | - |
| candlepin | 14 | a bowling pin that is thin by comparison with a tenpin | - |
| cathepsin | 16 | - | - |
| chamfrain | 19 | - | - |
| chatelain | 14 | - | - |
| celloidin | 12 | - | - |
| chromatin | 16 | the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes | - |
| checkrein | 20 | a rein designed to keep the horse's head in the desired position | - |
| chiltepin | 16 | - | - |
| chincapin | 18 | small nut of either of two small chestnut trees of the southern United States; resembles a hazelnut | - |
| chinkapin | 20 | small nut of either of two small chestnut trees of the southern United States; resembles a hazelnut | - |
| chilblain | 16 | inflammation of the hands and feet caused by exposure to cold and moisture | - |
| clearskin | 15 | - | - |
| cleanskin | 15 | - | - |
| cisplatin | 13 | - | - |
| baisemain | 13 | - | - |
| baldachin | 17 | ornamented canopy supported by columns or suspended from a roof or projected from a wall (as over an altar) | - |
| baldaquin | 21 | - | - |
| autotoxin | 16 | - | - |
| autolysin | 12 | - | - |
| aventurin | 12 | - | - |
| antivenin | 12 | an antitoxin that counteracts the effects of venom from the bite of a snake or insect or other animal | - |
| antimycin | 16 | a crystalline antibiotic active against various fungi | - |
| antiauxin | 16 | - | - |
| aquaporin | 20 | - | - |
| appertain | 13 | be a part or attribute of | - |
| allethrin | 12 | - | - |
| allantoin | 9 | - | - |
| amarantin | 11 | - | - |
| amygdalin | 16 | a bitter cyanogenic glucoside extracted from the seeds of apricots and plums and bitter almonds | - |
| amylopsin | 16 | - | - |
| abscissin | 13 | - | - |
| aerotrain | 9 | - | - |
| afterpain | 14 | - | - |
| aflatoxin | 19 | a potent carcinogen from the fungus Aspergillus; can be produced and stored for use as a bioweapon | - |
| mansplain | 13 | - | - |
| mojahedin | 22 | - | - |
| hypericin | 19 | - | - |
| myostatin | 14 | - | - |
| silymarin | 14 | - | - |
| scrunchin | 16 | - | - |
| wheelspin | 17 | - | - |
| dessyatin | 13 | - | - |
| chevrotin | 17 | - | - |
| filaggrin | 14 | the main protein of the keratohyalin granules | the specific target of the immune response in rheumatoid arthritis is filaggrin |
| bleomycin | 18 | - | - |
| avoparcin | 16 | - | - |
