compromise vs square up

compromise is a noun but square up is not a noun.

Word	Noun	Adjective	Verb	Adverb
compromise	Yes	No	Yes	No
square up	No	No	Yes	No

As verbs, square up is a hypernym of compromise; that is, square up is a word with a broader meaning than compromise:

Other hypernyms of compromise include determine, settle, square off.

compromise (noun)	square up (noun)
a middle way between two extremes
an accommodation in which both sides make concessions

compromise (verb)	square up (verb)
settle by concession	make square
make a compromise; arrive at a compromise	settle conclusively; come to terms
expose or make liable to danger, suspicion, or disrepute	even up the edges of a stack of paper, in printing