12-Letter Words Start with 'irr'

There are 30 12-letter words that start with 'irr'.

irradiations	irrationally	irredeemable
irredeemably	irredentisms	irredentists
irreformable	irrefragable	irrefragably
irregardless	irregularity	irrelatively
irrelevances	irrelevantly	irremediable
irremediably	irrepealable	irresistible
irresistibly	irresolutely	irresolution
irresolvable	irresponsive	irreverences
irreverently	irreversible	irreversibly
irritability	irritatingly	irrotational

Note: These 30 12-letter words that start with 'irr' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with irre, irri, irra, irru, irro.

6-letter words start with 'irr' (2)
7-letter words start with 'irr' (1)
8-letter words start with 'irr' (4)
9-letter words start with 'irr' (22)
10-letter words start with 'irr' (22)
11-letter words start with 'irr' (35)
12-letter words start with 'irr' (30)
13-letter words start with 'irr' (20)
14-letter words start with 'irr' (16)
15-letter words start with 'irr' (11)