ill temper vs ire

ill temper and ire both are nouns.

Word	Noun	Adjective	Verb	Adverb
ill temper	Yes	No	No	No
ire	Yes	No	No	No

As nouns, ire is a hypernym of ill temper; that is, ire is a word with a broader meaning than ill temper:

ill temper: a persisting angry mood
ire: a strong emotion; a feeling that is oriented toward some real or supposed grievance

Other hypernyms of ill temper include anger, choler.

ill temper (noun)	ire (noun)
a persisting angry mood	belligerence aroused by a real or supposed wrong (personified as one of the deadly sins)
	a strong emotion; a feeling that is oriented toward some real or supposed grievance