Countable Nouns Starting with IRR and Containing O

Explore 23 verified English countable nouns starting with IRR and containing O, including Irrational, Irrigation, Irritation, Irreconcilable, Irresponsibility, Irrationality and Irradiation. 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 IRRA5 words
irrational
irrationality
irradiation
irradiator
irrationalist
Starts with IRRE12 words
irreconcilable
irresponsibility
irreconcilability
irreproducibility
irreciprocity
irreligionist
irreconcilement
irreduction
irrelation
irreconciliation
irremission
irrecognition
Starts with IRRI5 words
irrigation
irritation
irrigator
irritator
irrision
Starts with IRRU
1 words
irruption

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