get even vs get back

get even and get back both are verbs.

Word	Noun	Adjective	Verb	Adverb
get even	No	No	Yes	No
get back	No	No	Yes	No

As verbs, get even and get back are synonyms defined as:

get even (verb)	get back (verb)
compensate; make the score equal	take revenge or even out a score
take revenge or even out a score	recover something or somebody that appeared to be lost
	get one's revenge for a wrong or an injury