give way vs slump

give way is not a noun while slump is a noun.

Word	Noun	Adjective	Verb	Adverb
give way	No	No	Yes	No
slump	Yes	No	Yes	No

As verbs, slump is a hyponym of give way; that is, slump is a word with a more specific, narrower meaning than give way:

Other hyponyms of give way include go off, implode, buckle, crumple, flop, break, sink, slide down.

give way (noun)	slump (noun)
	a noticeable deterioration in performance or quality
	a long-term economic state characterized by unemployment and low prices and low levels of trade and investment

give way (verb)	slump (verb)
stop operating or functioning	fall heavily or suddenly; decline markedly
end resistance, as under pressure or force	fall or sink heavily
move in order to make room for someone for something	assume a drooping posture or carriage
break down, literally or metaphorically	fall in value