throw in the towel vs chuck up the sponge

throw in the towel and chuck up the sponge both are verbs.

Word	Noun	Adjective	Verb	Adverb
throw in the towel	No	No	Yes	No
chuck up the sponge	No	No	Yes	No

As verbs, throw in the towel and chuck up the sponge are synonyms defined as:

throw in the towel and chuck up the sponge: give up in the face of defeat of lacking hope; admit defeat

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

throw in the towel (verb)	chuck up the sponge (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