12-Letter Words Ending in M
There are 134 twelve-letter words ending in M in our dictionary; 35 of them are common words.
Type your own letters to find only the 12-letter words you can make, or leave it empty to open this list in the word finder.
All 134 words
- conservatism19 points
- thunderstorm18 points
- metamorphism23 points
- collectivism21 points
- parochialism21 points
- somnambulism20 points
- factionalism19 points
- counterclaim18 points
- transvestism17 points
- emotionalism16 points
- sectarianism16 points
- sectionalism16 points
- spiritualism16 points
- dilettantism15 points
- isolationism14 points
- expansionism23 points
- triumphalism21 points
- philistinism19 points
- obscurantism18 points
- praseodymium22 points
- overoptimism21 points
- phototropism21 points
- bicameralism20 points
- aestheticism19 points
- charlatanism19 points
- barbarianism18 points
- diamagnetism18 points
- geomagnetism18 points
- mercantilism18 points
- protactinium18 points
- bilingualism17 points
- superstardom17 points
- universalism17 points
- volunteerism17 points
- abolitionism16 points
- quinquennium32 points
- subjectivism28 points
- homomorphism26 points
- polymorphism26 points
- xiphisternum26 points
- psychologism25 points
- perionychium24 points
- unnilquadium24 points
- chemotropism23 points
- chromaticism23 points
- hydrotropism23 points
- pleomorphism23 points
- poikilotherm23 points
- asynchronism22 points
- chromatogram22 points
- dichromatism22 points
- endomorphism22 points
- allomorphism21 points
- automorphism21 points
- epithalamium21 points
- hibernaculum21 points
- microprogram21 points
- necrophilism21 points
- pragmaticism21 points
- prothalamium21 points
- commensalism20 points
- diastrophism20 points
- diverticulum20 points
- infundibulum20 points
- superpremium20 points
- voluntaryism20 points
- antifeminism19 points
- antihumanism19 points
- heliotropism19 points
- scapegoatism19 points
- aeroembolism18 points
- deviationism18 points
- metasomatism18 points
- radiothorium18 points
- evolutionism17 points
- fraternalism17 points
- incendiarism17 points
- inflationism17 points
- reductionism17 points
- secessionism16 points
- superstratum16 points
- unnilpentium16 points
- essentialism14 points
- intuitionism14 points
- transuranium14 points
- cryptorchism26 points
- hemimorphism26 points
- cladophyllum25 points
- sycophantism24 points
- apocalyptism23 points
- bronchospasm23 points
- expatriatism23 points
- greenbackism23 points
- monomorphism23 points
- syndactylism23 points
- antiblackism22 points
- flabelliform22 points
- homothallism22 points
- hyperrealism22 points
- monorchidism22 points
- archesporium21 points
- diffusionism21 points
- epileptiform21 points
- polycentrism21 points
- submicrogram21 points
- symmetallism21 points
- trimethoprim21 points
- multiproblem20 points
- parkinsonism20 points
- polyglottism20 points
- pseudopodium20 points
- pteridosperm19 points
- spermagonium19 points
- theocentrism19 points
- appressorium18 points
- connubialism18 points
- epicureanism18 points
- pictorialism18 points
- pseudorandom18 points
- anecdotalism17 points
- ergastoplasm17 points
- salvationism17 points
- standpattism17 points
- ultraleftism17 points
- anisotropism16 points
- antinepotism16 points
- bilateralism16 points
- illiberalism16 points
- nonclassroom16 points
- nonpetroleum16 points
- operationism16 points
- superrealism16 points
- ultrarealism14 points
- unitarianism14 points
Quick facts
- Total words: 134
- By usage: 2 very common, 33 common, 99 rare
Highest scoring (classic tiles)
- quinquennium 32
- subjectivism 28
- cryptorchism 26
- hemimorphism 26
- homomorphism 26
- polymorphism 26
- xiphisternum 26
- cladophyllum 25
- psychologism 25
- perionychium 24
Most common
- conservatism
- thunderstorm
- metamorphism
- collectivism
- parochialism
- somnambulism
- factionalism
- counterclaim
- transvestism
- emotionalism
Definitions
- conservatism (noun)
- A political or theological orientation advocating the preservation of the best in society and opposing radical changes.
- thunderstorm (noun)
- A storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning.
- metamorphism (noun)
- Change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances.
- collectivism (noun)
- Soviet communism.
Words that end in M come up constantly in tile games, crosswords and daily letter puzzles, and this page gathers all 134 of the twelve-letter ones. The most useful are the common words at the top of the list; the rare ones at the bottom are worth knowing when you need to hook onto an awkward board position. QUINQUENNIUM is the top scorer here, worth 32 points before any board multiplier.
How to use this page
This page works as both a reference and a tool. As a reference, it lists every word that end in M, sorted by familiarity. As a tool, it accepts your own letters in the search box and returns the subset you can play, with scores. The related links at the end cover neighbouring letters and lengths.
Tips
A blank tile is the most powerful piece on your rack because it stands in for any letter. When you search this list with a blank, the tool underlines the letter the blank replaced so you know which tile to lay down. Spend a blank only when it unlocks a long word or a premium square; using it for a three-letter play is almost always a waste. If you hold two blanks, look for a word from this list that needs both, because a seven-tile play with the bonus outscores nearly everything else.
Questions
Which twelve-letter words ending in M are the most common?
CONSERVATISM, THUNDERSTORM and METAMORPHISM are among the most familiar. The list is sorted with everyday words first, and the very common ones carry a small dot, so you can read the top of the page and skip the obscure entries at the bottom.
Can I search this list with my own letters?
Yes. Type your letters into the search box at the top of the page, using a question mark for a blank, and the tool will show only the twelve-letter words ending in M you can actually spell from that rack, with scores.