fly the coop vs go forth

fly the coop and go forth both are verbs.

Word	Noun	Adjective	Verb	Adverb
fly the coop	No	No	Yes	No
go forth	No	No	Yes	No

As verbs, go forth is a hypernym of fly the coop; that is, go forth is a word with a broader meaning than fly the coop:

Other hypernyms of fly the coop include go away, leave.

fly the coop (verb)	go forth (verb)
flee; take to one's heels; cut and run	come out of
	go away from a place