Countable Nouns Starting with ILL and Containing IO

Explore 11 verified English countable nouns starting with ILL and containing IO, including Illustration, Illusion, Illumination, Illusionist, Illegalization, Illocution and Illation. 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 ILLA
2 words
illation
illaqueation
Starts with ILLE
2 words
illegalization
illegitimation
Starts with ILLI
1 words
illision
Starts with ILLO
1 words
illocution
Starts with ILLU5 words
illustration
illusion
illumination
illusionist
illuviation

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