swashbuckler vs hothead

swashbuckler and hothead both are nouns.

Word	Noun	Adjective	Verb	Adverb
swashbuckler	Yes	No	No	No
hothead	Yes	No	No	No

As nouns, swashbuckler and hothead are synonyms defined as:

Other synonyms of swashbuckler include daredevil, harum-scarum, lunatic, madcap.

swashbuckler (noun)	hothead (noun)
a reckless impetuous irresponsible person	a reckless impetuous irresponsible person
	a belligerent grouch