throw in vs quit

throw in and quit both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw in	No	No	Yes	No
quit	No	No	Yes	No

As verbs, throw in and quit are synonyms defined as:

throw in and quit: give up in the face of defeat of lacking hope; admit defeat

throw in (verb)	quit (verb)
to insert between other elements	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
add as an extra or as a gratuity	turn away from; give up
	give up or retire from a position
	put an end to a state or an activity