Countable Nouns That Start with I and End with IS

Explore 21 verified English countable nouns starting with I and ending with IS, including Iris, Ibis, Ignis, Iconostasis, Ichthyosis, Iontophoresis and Immunoelectrophoresis. 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 IB
2 words
ibis
iberis
Starts with IC3 words
iconostasis
ichthyosis
ichthyornis
Starts with ID
1 words
ideopolis
Starts with IG
1 words
ignis
Starts with IL
1 words
illadopsis
Starts with IM3 words
immunoelectrophoresis
immunodiagnosis
immunophoresis
Starts with IN
2 words
interkinesis
intertransversalis
Starts with IO
2 words
iontophoresis
ionophoresis
Starts with IP
1 words
ipomopsis
Starts with IR3 words
iris
irbis
iridochoroiditis
Starts with IS
1 words
isoplexis
Starts with IX
1 words
ixodiasis

•Browse Countable Nouns by Letter (A to Z)

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