Countable Nouns Ending in TIS and Containing OI

Explore 12 verified English countable nouns ending in TIS and containing OI, including Mastoiditis, Thyroiditis, Proctosigmoiditis, Choroiditis, Ethmoiditis, Choroidoretinitis and Sclerochoroiditis. 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 C
4 words
choroiditis
choroidoretinitis
chorioidoiritis
choroidocyclitis
Starts with E
2 words
ethmoiditis
esoethmoiditis
Starts with I
1 words
iridochoroiditis
Starts with M
1 words
mastoiditis
Starts with P
1 words
proctosigmoiditis
Starts with S
2 words
sclerochoroiditis
scleroticochoroiditis
Starts with T
1 words
thyroiditis

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