finish up vs get through

finish up and get through both are verbs.

Word	Noun	Adjective	Verb	Adverb
finish up	No	No	Yes	No
get through	No	No	Yes	No

As verbs, finish up and get through are synonyms defined as:

Other synonyms of finish up include clear up, finish off, mop up, polish off, wrap up.

finish up (verb)	get through (verb)
finish a task completely	finish a task completely
finally be or do something	become clear or enter one's consciousness or emotions
	be in or establish communication with
	succeed in reaching a real or abstract destination after overcoming problems
	spend or pass, as with boredom or in a pleasant manner; of time