Nouns Ending in ISM and Containing OS

Browse 55 valid English nouns ending in ISM and containing OS, from Postmodernism, Agnosticism, Ostracism, Gnosticism, Cosmopolitanism, Positivism and Postcolonialism to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review pluralization and capitalization rules.

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Starts with A7 words
agnosticism
anarchosyndicalism
aldosteronism
aposematism
apostolicism
acosmism
antiphilosophism
Starts with B
2 words
boosterism
bossism
Starts with C7 words
cosmopolitanism
cosmism
cosmotheism
cosmopolitism
cosmeticism
chiaroscurism
cryptoproselytism
Starts with E
1 words
exostracism
Starts with G
1 words
gnosticism
Starts with H6 words
heterosexism
hyperaldosteronism
homosexualism
hospitalism
heterostylism
hyposuprarenalism
Starts with I
2 words
introspectionism
impossibilism
Starts with M3 words
mosaicism
microseism
monosyllabism
Starts with N
2 words
noncosmopolitanism
noncosmopolitism
Starts with O
2 words
ostracism
oppositionism
Starts with P19 words
postmodernism
positivism
postcolonialism
proselytism
postimpressionism
postfeminism
possibilism
postmillennialism
postmillenarianism
prosaism
prosaicism
philosophism
prostatism
prosyllogism
postexpressionism
pancosmism
phosphorism
pseudostereoscopism
proscholasticism
Starts with S
1 words
synaposematism
Starts with T
2 words
theosophism
thermosystaltism

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