thug vs behave

thug is a noun but behave is not a noun.

Word	Noun	Adjective	Verb	Adverb
thug	Yes	No	Yes	No
behave	No	No	Yes	No

As verbs, behave is a hypernym of thug; that is, behave is a word with a broader meaning than thug:

thug: Acting like a criminal or antisocially but with positive connotations
behave: behave in a certain manner; show a certain behavior; conduct or comport oneself

Other hypernyms of thug include acquit, act, bear, carry, comport, conduct, deport, do.

thug (noun)	behave (noun)
an aggressive and violent young criminal

thug (verb)	behave (verb)
Acting like a criminal or antisocially but with positive connotations	behave in a certain manner; show a certain behavior; conduct or comport oneself
	behave well or properly