Countable Nouns That Start with ILL

Browse 42 English countable nouns starting with the prefix ILL, including Ill, Illness, Illegal, Illustration, Illusion, Illumination and Illustrator. Sort these count nouns with singular and plural forms by letter count for ESL grammar practice, determiner usage, and plural spelling, or consult our noun grammar guide.

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Starts with ILL
1 words
ill
Starts with ILLA
5 words
illation
illative
illapse
illadopsis
illaqueation
Starts with ILLE
7 words
illegal
illegitimate
illegitimacy
illegality
illegibility
illegalization
illegitimation
Starts with ILLI
10 words
illiterate
illiteracy
illiquidity
illiberality
illinoian
illiterati
illite
illipe
illicium
illision
Starts with ILLN
1 words
illness
Starts with ILLO
2 words
illogicality
illocution
Starts with ILLU
15 words
illustration
illusion
illumination
illustrator
illuminati
illusionist
illuminator
illuminance
illuminant
illuminist
illuminato
illuvium
illuviation
illuminer
illustrissimo
Starts with ILLY
1 words
illywhacker

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