ham actor vs actor

ham actor and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
ham actor	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of ham actor; that is, actor is a word with a broader meaning than ham actor:

Other hypernyms of ham actor include histrion, player, role player, thespian.

ham actor (noun)	actor (noun)
an unskilled actor who overacts	a theatrical performer
	a person who acts and gets things done