go over vs check up on

go over and check up on both are verbs.

Word	Noun	Adjective	Verb	Adverb
go over	No	No	Yes	No
check up on	No	No	Yes	No

As verbs, go over and check up on are synonyms defined as:

go over and check up on: examine so as to determine accuracy, quality, or condition

Other synonyms of go over include check, check into, check out, check over, look into, suss out.

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