square away vs tidy up

square away and tidy up both are verbs.

Word	Noun	Adjective	Verb	Adverb
square away	No	No	Yes	No
tidy up	No	No	Yes	No

As verbs, square away and tidy up are synonyms defined as:

Other synonyms of square away include clean up, neaten, straighten, straighten out, tidy.

square away (verb)	tidy up (verb)
put (things or places) in order	put (things or places) in order