Words Ending With M
100 wordsWords ending in M span an enormous range, from the two-letter AM to medical behemoths like HYPERPARATHYROIDISM. This suffix appears across scientific terminology, philosophical concepts, and everyday vocabulary, making it one of the most versatile word endings in English.
2-letter words
43-letter words
194-letter words
305-letter words
126-letter words
187-letter words
138-letter words
29-letter words
2Pattern Guide
Insights and recommendations for these words.
The letter M creates a satisfying closure to words, and this ending proves remarkably useful across word games.
Vocabulary & Language
Linguistic patterns and usage statistics
The -ISM suffix dominates this pattern, creating nouns that describe beliefs, practices, or conditions. Medical and scientific vocabulary relies heavily on -UM endings borrowed from Latin (like JEJUNUM). Many -M words also derive from Greek through Latin, explaining why this ending appears so frequently in technical terminology.
Total Words
3,106
1.0% of dictionary
Avg Length
9.0 letters
3.3 syllables
Top Scrabble
HYPERPARATHYROIDISM
38 points
Longest Word
ELECTROENCEPHALOGRAM
20 letters
Parts of Speech
At 92% nouns, this pattern shows one of the strongest part-of-speech concentrations in English. The average length of 9.0 letters reflects the prevalence of technical and medical terminology, which tends toward longer compound forms.
Latin dominates words ending in M, reflecting how English absorbed scientific and institutional vocabulary through academic channels. Ancient Greek contributes significantly as well, often filtered through Latin. The etymology chain of PLATINUM—moving from Spanish to French and back—shows how mineral and element names bounced between European languages before settling into English.
Word Games
High-value words for board games
Short (2-4)
rise rapidly
a set of questions or exercises evaluating skill or knowledge
Medium (5-7)
the part of the small intestine between the duodenum and the ileum
Long (8+)
excessive secretion of parathyroid hormone resulting in abnormally high levels of calcium in the blood; can affect many systems of the body (especially causing bone resorption and osteoporosis)
inadequate secretion of parathyroid hormone resulting in abnormally low levels of calcium in the blood
deciduous or evergreen trees or shrubs: prickly ash
the quality of being brachycephalic
Short (2-4)
Medium (5-7)
the part of the small intestine between the duodenum and the ileum
a spar that extends the bowsprit
Long (8+)
a graphical record of electrical activity of the brain; produced by an electroencephalograph
a period of five years
the quality of being brachycephalic
excessive secretion of parathyroid hormone resulting in abnormally high levels of calcium in the blood; can affect many systems of the body (especially causing bone resorption and osteoporosis)
The scoring differences between Scrabble and WWF create interesting strategic choices here. JEJUNUM scores 31 points in WWF versus 23 in Scrabble thanks to the boosted J value (10 vs 8). QUIM similarly gains two points in WWF. For long-word enthusiasts, ELECTROENCEPHALOGRAM maxes out WWF scoring potential, while HYPERPARATHYROIDISM edges it out in Scrabble due to different letter valuations.
Wordle
5-letter words for daily puzzles
Good Starters (E, A, R, S, T)
a cherished desire
toiletry consisting of any of various substances in the form of a thick liquid that have a soothing and moisturizing effect when applied to the skin
behave violently, as if in state of a great anger
the male reproductive cell; the male gamete
Common Words (likely answers)
CREAM and STORM make excellent starting guesses, covering common consonants and positioning M in its natural final slot. DREAM offers an alternative that tests the D while keeping strong vowel coverage.
Length Extremes
Longest and shortest valid words
Longest
Shortest
The extreme length variation stems from how -M words are built. Short forms like AM are grammatical fundamentals, while medical terms stack Greek and Latin roots to create precise diagnostic language.
Hidden Gems
Rare but valid words to surprise opponents
the principle of complete and unrestricted power in government
discrimination on the basis of a person's age
mountain climbing (not restricted to the Alps)
a fictitious name used when the person performs a particular social role
ALPINISM means mountain climbing in general, not just in the Alps despite its name. It's a clean 10-letter word that avoids the awkward letter combinations of most -ISM terms, making it surprisingly playable when you need to use that M.
Popular crossword answers
Words frequently used in crossword puzzles with common clues.