Countable Nouns Ending in M and Containing SI

Browse 84 valid English countable nouns ending in M and containing SI, from Enthusiasm, Sim, Symposium, Gymnasium, Sitcom, Revisionism and Classicism to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with B
2 words
basidium
brosimum
Starts with C
5 words
classicism
capsicum
confessionalism
classicalism
counterenthusiasm
Starts with D
6 words
desideratum
depositum
designatum
desiderium
dichasium
diclesium
Starts with E
7 words
enthusiasm
elysium
endomysium
epimysium
ensisternum
erysimum
exobasidium
Starts with F
1 words
falsism
Starts with G
1 words
gymnasium
Starts with H
1 words
hyperparasitism
Starts with I
1 words
indusium
Starts with M
1 words
monochasium
Starts with O
1 words
occasionalism
Starts with P
9 words
presidium
positronium
pisiform
perimysium
pessimum
pseudoclassicism
progymnasium
polychasium
pleiochasium
Starts with Q
1 words
quaesitum
Starts with R
5 words
revisionism
residuum
russianism
resilium
russism
Starts with S
24 words
sim
symposium
sitcom
sidearm
simulacrum
silkworm
sickroom
sidestream
signum
silphium
sistrum
sinogram
sinicism
simoom
silybum
sigillum
significatum
sensillum
simpulum
simulium
sisymbrium
siglum
sicilianism
sidhuism

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