photocopy vs run off

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

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

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

Other synonyms of photocopy include xerox.

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

photocopy (verb)	run off (verb)
reproduce by xerography	decide (a contest or competition) by a runoff
	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