run off vs photocopy

run off is not a noun while photocopy is a noun.

Word	Noun	Adjective	Verb	Adverb
run off	No	No	Yes	No
photocopy	Yes	No	Yes	No

As verbs, run off and photocopy are synonyms defined as:

Other synonyms of run off include xerox.

run off (noun)	photocopy (noun)
	a photographic copy of written or printed or graphic work

run off (verb)	photocopy (verb)
decide (a contest or competition) by a runoff	reproduce by xerography
reproduce by xerography
force to go away; used both with concrete and metaphoric meanings
leave suddenly and as if in a hurry
run away; usually includes taking something or somebody along
run away secretly with one's beloved
run off as waste