go over vs fall over

go over and fall over both are verbs.

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

As verbs, go over and fall over are synonyms defined as:

go over (verb)	fall over (verb)
fall forward and down	fall forward and down
happen in a particular manner
hold a review (of troops)
examine so as to determine accuracy, quality, or condition