quest vs communicate

quest is a noun but communicate is not a noun.

Word	Noun	Adjective	Verb	Adverb
quest	Yes	No	Yes	No
communicate	No	No	Yes	No

As verbs, communicate is a hypernym of quest; that is, communicate is a word with a broader meaning than quest:

Other hypernyms of quest include pass, pass along, pass on, put across.

quest (noun)	communicate (noun)
the act of searching for something
a search for an alternative that meets cognitive criteria

quest (verb)	communicate (verb)
seek alms, as for religious purposes	transmit thoughts or feelings
express the need or desire for	transmit information
bark with prolonged noises, of dogs	be in verbal contact; interchange information or ideas
search the trail of (game)	receive Communion, in the Catholic church
make a search (for)	administer Communion; in church
	join or connect
	transfer to another