hotheaded vs hot-tempered

hotheaded and hot-tempered both are adjectives.

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

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

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

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