irascible vs hotheaded

irascible and hotheaded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
irascible	No	Yes	No	No
hotheaded	No	Yes	No	No

As adjectives, irascible and hotheaded are synonyms defined as:

Other synonyms of irascible include choleric, hot-tempered, quick-tempered, short-tempered.

irascible (adjective)	hotheaded (adjective)
characterized by anger	quickly aroused to anger
quickly aroused to anger	characterized by undue haste and lack of thought or deliberation