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10-letter words with M as the 10th letter

A curated list of 10-letter words tailored to this exact pattern. Use this when M is fixed in the 10th slot; rotate high-frequency consonants elsewhere to prune fast. For example: absolutism, acetabulum, alcoholism.

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282 words

Word	Length	Syllables
absolutism	10	4
acetabulum	10	5
alcoholism	10	4
amateurism	10	4
ambulacrum	10	4
anabaptism	10	4
androecium	10	3
angiosperm	10	3
antagonism	10	4
antebellum	10	4
antemortem	10	4
antiracism	10	4
antireform	10	4
apophthegm	10	3
apothecium	10	4
argumentum	10	4
asceticism	10	4
ascogonium	10	4
auditorium	10	4
automatism	10	4
bipedalism	10	4
blastoderm	10	3
bolshevism	10	3
boosterism	10	3
bourbonism	10	3
brainstorm	10	2
bridegroom	10	3
caddisworm	10	3
cafetorium	10	4
cankerworm	10	3
capitalism	10	4
cardiogram	10	3
catabolism	10	4
centralism	10	3
cerebellum	10	4
chauvinism	10	3
chimaerism	10	3
chloroform	10	3
choreiform	10	3
chronogram	10	3
cicisbeism	10	3
cinchonism	10	3
cinerarium	10	4
classicism	10	3
cockalorum	10	4
cockneyism	10	2
colloquium	10	3
compendium	10	3
concretism	10	3
conformism	10	3
consortium	10	3
coryneform	10	4
cribriform	10	3
cryptogram	10	3
cumuliform	10	4
curriculum	10	4
delphinium	10	3
dendriform	10	3
dendrogram	10	3
deutoplasm	10	3
dimorphism	10	3
disconfirm	10	3
disulfiram	10	4
downstream	10	2
dysphemism	10	3
dysprosium	10	3
echinoderm	10	4
ecotourism	10	4
empiricism	10	4
enthusiasm	10	3
epicardium	10	4
epidendrum	10	4
epineurium	10	4
epiphytism	10	4
epithelium	10	4
erraticism	10	4
euhemerism	10	4
evangelism	10	4
factualism	10	3
fanaticism	10	4
favoritism	10	4
federalism	10	4
foreignism	10	3
funnelform	10	3
gadolinium	10	4
genteelism	10	3
geotropism	10	3
glochidium	10	3
gnosticism	10	3
gradualism	10	3
grangerism	10	3
gymnosperm	10	3
haustellum	10	3
haustorium	10	3
headstream	10	2
heathendom	10	3
heathenism	10	3
henotheism	10	3
heteroatom	10	4
hipsterism	10	3
homeotherm	10	3
honorarium	10	4
hoodlumism	10	3
hyaloplasm	10	3
hypanthium	10	3
hypocorism	10	4
iconoclasm	10	4
illuminism	10	4
immobilism	10	4
immoralism	10	4
initialism	10	4
insularism	10	4
intravitam	10	4
invalidism	10	4
involucrum	10	4
journalism	10	3
kettledrum	10	3
lawrencium	10	3
lebensraum	10	3
legitimism	10	4
lesbianism	10	3
letterform	10	3
liberalism	10	4
literalism	10	4
lycopodium	10	4
lymphogram	10	3
mainstream	10	2
meerschaum	10	2
memorandum	10	4
messianism	10	3
metabolism	10	4
metamerism	10	4
microprism	10	3
microseism	10	3
militarism	10	4
millennium	10	3
millstream	10	2
minimalism	10	4
miracidium	10	4
misprogram	10	3
molybdenum	10	4
monarchism	10	3
monetarism	10	4
moniliform	10	4
monotheism	10	3
moratorium	10	4
morphinism	10	3
myocardium	10	3
narcissism	10	3
nasturtium	10	3
natatorium	10	4
naturalism	10	4
negativism	10	4
neorealism	10	3
nephridium	10	3
neutralism	10	3
nominalism	10	4
nonconform	10	3
nonproblem	10	3
nonprogram	10	3
nonuniform	10	4
oceanarium	10	4
ommatidium	10	4
opprobrium	10	3
organicism	10	4
osmeterium	10	4
osmiridium	10	4
outperform	10	3
overinform	10	4
pacificism	10	4
palmerworm	10	3
pancratium	10	3
panjandrum	10	3
paralogism	10	4
paramecium	10	4
parapodium	10	4
parasitism	10	4
patriotism	10	3
perimysium	10	4
periosteum	10	3
peritoneum	10	4
petrolatum	10	4
phallicism	10	3
phanerogam	10	4
pharisaism	10	3
phelloderm	10	3
phlebogram	10	3
phyllodium	10	3
plagiarism	10	3
plasmodesm	10	3
plasmodium	10	3
polemonium	10	4
polymerism	10	4
polyrhythm	10	3
polytheism	10	3
positivism	10	4
postbellum	10	3
postmortem	10	3
postpartum	10	3
praesidium	10	3
pragmatism	10	3
preprogram	10	3
presentism	10	3
primordium	10	3
principium	10	3
procambium	10	3
promethium	10	3
propylaeum	10	3
proscenium	10	3
prostatism	10	3
prostomium	10	3
protoplasm	10	3
protoxylem	10	4
psalterium	10	3
puerperium	10	3
puritanism	10	4
quadrivium	10	3
radicalism	10	4
recidivism	10	4
referendum	10	4
refugeeism	10	3
relativism	10	4
revanchism	10	3
revivalism	10	4
rheumatism	10	3
ruffianism	10	3
salverform	10	3
sanatorium	10	4
sanitarium	10	4
sanitorium	10	4
sarcoplasm	10	3
scepticism	10	3
schematism	10	3
schoolmarm	10	2
schoolroom	10	2
sclerotium	10	3
seaborgium	10	3
secularism	10	4
seismogram	10	3
sensualism	10	3
separatism	10	4
sequestrum	10	3
sestertium	10	3
shadchanim	10	3
shammashim	10	3
sheriffdom	10	3
sidestream	10	3
simulacrum	10	4
skepticism	10	3
slipstream	10	2
solidarism	10	4
specialism	10	3
speciesism	10	3
spermatium	10	3
spoonerism	10	3
sporangium	10	3
stenotherm	10	3
stereogram	10	3
stomodaeum	10	3
stramonium	10	3
stratiform	10	3
stumblebum	10	3
subkingdom	10	3
suboptimum	10	4
subproblem	10	3
subprogram	10	3
substratum	10	3
sudatorium	10	4
surrealism	10	3
sybaritism	10	4
syncretism	10	3
tarmacadam	10	4
technetium	10	3
thermoform	10	3
thermogram	10	3
threadworm	10	2
traumatism	10	3
triclinium	10	3
underwhelm	10	3
ureotelism	10	4
utopianism	10	4
warlordism	10	3

FAQs

How do I play around a fixed M in the 10th slot?
Try mixing common consonant clusters (ST, TR, CH) in other positions while keeping M locked.

Why are uncommon words included?
We compile from a broad English list. Skim the top rows for more common picks.