fall in vs give way

fall in and give way both are verbs.

Word	Noun	Adjective	Verb	Adverb
fall in	No	No	Yes	No
give way	No	No	Yes	No

As verbs, fall in and give way are synonyms defined as:

Other synonyms of fall in include break, cave in, collapse, founder, give.

fall in (verb)	give way (verb)
break down, literally or metaphorically	stop operating or functioning
become part of; become a member of a group or organization	end resistance, as under pressure or force
to take one's place in a military formation or line	move in order to make room for someone for something
	break down, literally or metaphorically