give way vs fall in

give way and fall in both are verbs.

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

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

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

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