fall by the wayside vs quit

fall by the wayside and quit both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall by the wayside	No	No	Yes	No
quit	No	No	Yes	No

As verbs, fall by the wayside and quit are synonyms defined as:

fall by the wayside and quit: give up in the face of defeat of lacking hope; admit defeat

Other synonyms of fall by the wayside include chuck up the sponge, drop by the wayside, drop out, give up, throw in, throw in the towel.

fall by the wayside (verb)	quit (verb)
give up in the face of defeat of lacking hope; admit defeat	give up in the face of defeat of lacking hope; admit defeat
	go away or leave
	turn away from; give up
	give up or retire from a position
	put an end to a state or an activity