hot-tempered vs hotheaded

hot-tempered and hotheaded both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hot-tempered	No	Yes	No	No
hotheaded	No	Yes	No	No

As adjectives, hot-tempered and hotheaded are synonyms defined as:

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

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