Countable Nouns Starting with IR and Containing AT

Explore 13 verified English countable nouns starting with IR and containing AT, including Irrational, Irrigation, Irritation, Irrationality, Irradiation, Irrigator and Irritator. 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 IRI
2 words
iridization
irisation
Starts with IRR11 words
irrational
irrigation
irritation
irrationality
irradiation
irrigator
irritator
irradiator
irrationalist
irrelation
irreconciliation

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