Countable Nouns Ending in IOL and Containing O

Explore 11 verified English countable nouns ending in IOL and containing O, including Vitriol, Viol, Diol, Thiol, Estriol, Triol and Dithiol. Browse these count nouns with singular and plural forms below, or review singular and plural count rules in our noun grammar guide.

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Starts with A
1 words
alkanethiol
Starts with C
1 words
claviol
Starts with D
2 words
diol
dithiol
Starts with E
1 words
estriol
Starts with S
2 words
siol
spaniol
Starts with T
2 words
thiol
triol
Starts with V
2 words
vitriol
viol

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