irritative vs irritating

irritative and irritating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
irritative	No	Yes	No	No
irritating	No	Yes	No	No

As adjectives, irritative and irritating are synonyms defined as:

irritative and irritating: (used of physical stimuli) serving to stimulate or excite

irritative (adjective)	irritating (adjective)
(used of physical stimuli) serving to stimulate or excite	causing irritation or annoyance
	(used of physical stimuli) serving to stimulate or excite
	causing physical discomfort