go over vs fall out

go over and fall out both are verbs.

Word	Noun	Adjective	Verb	Adverb
go over	No	No	Yes	No
fall out	No	No	Yes	No

As verbs, fall out is a hypernym of go over; that is, fall out is a word with a broader meaning than go over:

Other hypernyms of go over include come about, go on, hap, happen, occur, pass, pass off, take place.

go over (verb)	fall out (verb)
fall forward and down	come to pass
happen in a particular manner	have a breach in relations
hold a review (of troops)	drop out
examine so as to determine accuracy, quality, or condition	leave (a barracks) in order to take a place in a military formation, or leave a military formation
	come as a logical consequence; follow logically