turn tail vs go forth

turn tail and go forth both are verbs.

Word	Noun	Adjective	Verb	Adverb
turn tail	No	No	Yes	No
go forth	No	No	Yes	No

As verbs, go forth is a hypernym of turn tail; that is, go forth is a word with a broader meaning than turn tail:

Other hypernyms of turn tail include go away, leave.

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