Words Ending With M

100 words

Words 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

4

3-letter words

19

4-letter words

30
View all 30

5-letter words

12
View all 12

6-letter words

18

7-letter words

13

8-letter words

2

9-letter words

2

Pattern 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

Nouns
92%
Verbs
4%
Adjectives
4%
Adverbs
0%
Other
0%

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)

QUIM
15 pts
ZOOM

rise rapidly

15 pts
EXAM

a set of questions or exercises evaluating skill or knowledge

13 pts

Medium (5-7)

JEJUNUM

the part of the small intestine between the duodenum and the ileum

23 pts
JUJUISM
23 pts
CZARDOM
21 pts

Long (8+)

HYPERPARATHYROIDISM

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)

38 pts
HYPOPARATHYROIDISM

inadequate secretion of parathyroid hormone resulting in abnormally low levels of calcium in the blood

37 pts
ZANTHOXYLUM

deciduous or evergreen trees or shrubs: prickly ash

35 pts
BRACHYCEPHALISM

the quality of being brachycephalic

34 pts

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)

DREAMStarter

a cherished desire

CREAMStarter

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

STORMStarter

behave violently, as if in state of a great anger

SPERMStarter

the male reproductive cell; the male gamete

Common Words (likely answers)

DREAMCommon

a cherished desire

MADAMCommon

a woman of refinement

CREAMCommon

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

STORMCommon

behave violently, as if in state of a great anger

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

ELECTROENCEPHALOGRAM20 letters
HYPERPARATHYROIDISM19 letters
REPRESENTATIONALISM19 letters
ANTIFERROMAGNETISM18 letters

Shortest

AM2 letters
EM2 letters
HM2 letters
MM2 letters

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

ABSOLUTISM

the principle of complete and unrestricted power in government

AGEISM

discrimination on the basis of a person's age

ALPINISM

mountain climbing (not restricted to the Alps)

ANONYM

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.

More "M" Pages

Browse words by longer letter combinations starting with "M".