square up vs even up

square up and even up both are verbs.

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

As verbs, square up and even up are synonyms defined as:

square up and even up: even up the edges of a stack of paper, in printing

Other synonyms of square up include jog.

square up (verb)	even up (verb)
make square	even up the edges of a stack of paper, in printing
settle conclusively; come to terms	adjust for
even up the edges of a stack of paper, in printing