Countable Nouns Starting with IRR and Containing IO

Browse 14 valid English countable nouns starting with IRR and containing IO, from Irrational, Irrigation, Irritation, Irrationality, Irradiation, Irruption and Irrationalist to rarer terms. Check definitions and spelling below, or visit our noun grammar guide to review singular and plural count rules.

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Starts with IRRA4 words
irrational
irrationality
irradiation
irrationalist
Starts with IRRE6 words
irreligionist
irreduction
irrelation
irreconciliation
irremission
irrecognition
Starts with IRRI3 words
irrigation
irritation
irrision
Starts with IRRU
1 words
irruption

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