trifle vs behave

trifle is a noun but behave is not a noun.

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

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

trifle: act frivolously
behave: behave in a certain manner; show a certain behavior; conduct or comport oneself

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

trifle (noun)	behave (noun)
something of small importance
a detail that is considered insignificant
a cold pudding made of layers of sponge cake spread with fruit or jelly; may be decorated with nuts, cream, or chocolate

trifle (verb)	behave (verb)
consider not very seriously	behave in a certain manner; show a certain behavior; conduct or comport oneself
act frivolously	behave well or properly
waste time; spend one's time idly or inefficiently