Countable Nouns That Start with IN and End with US

Explore 7 verified English countable nouns starting with IN and ending with US, including Intravenous, Incubus, Incus, Influenzavirus, Introitus, Interradius and Inflatus. Sort these count nouns with singular and plural forms by word length for ESL grammar practice, determiner usage, and plural spelling below, or review singular and plural count rules in our noun grammar guide.

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Starts with INC
2 words
incubus
incus
Starts with INF
2 words
influenzavirus
inflatus
Starts with INT
3 words
intravenous
introitus
interradius

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