Nouns Ending in UM and Containing SI

This list gathers 57 English nouns ending in UM and containing SI, such as Magnesium, Potassium, Symposium, Gymnasium, Capsicum, Cesium and Simulacrum. Use the sorting controls below to organize entries by length, or consult our noun grammar guide to review pluralization and capitalization rules.

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Starts with B
2 words
basidium
brosimum
Starts with C3 words
capsicum
cesium
cassiopeium
Starts with D7 words
desideratum
dysprosium
depositum
designatum
desiderium
dichasium
diclesium
Starts with E6 words
elysium
endomysium
epimysium
ensisternum
erysimum
exobasidium
Starts with G
1 words
gymnasium
Starts with H
1 words
hassium
Starts with I
1 words
indusium
Starts with M
2 words
magnesium
monochasium
Starts with P8 words
potassium
presidium
positronium
perimysium
pessimum
progymnasium
polychasium
pleiochasium
Starts with Q
1 words
quaesitum
Starts with R
2 words
residuum
resilium
Starts with S23 words
symposium
simulacrum
signum
silphium
sistrum
silentium
silicium
silybum
sigillum
significatum
sensillum
simpulum
simulium
sisymbrium
siglum
sium
simplum
sisyrinchium
simillimum
siphonium
sivatherium
silundum
sicilicum

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