humorist vs wag

humorist and wag both are nouns.

Word	Noun	Adjective	Verb	Adverb
humorist	Yes	No	No	No
wag	Yes	No	Yes	No

As nouns, wag is a hyponym of humorist; that is, wag is a word with a more specific, narrower meaning than humorist:

Other hyponyms of humorist include lampooner, parodist, punster, ironist, ridiculer, satirist, card, wit.

humorist (noun)	wag (noun)
someone who acts, speaks or writes in an amusing way	causing to move repeatedly from side to side
	a witty amusing person who makes jokes

humorist (verb)	wag (verb)
	move from side to side