scavenge vs scavenger

scavenge is not a noun while scavenger is a noun.

Word	Noun	Adjective	Verb	Adverb
scavenge	No	No	Yes	No
scavenger	Yes	No	No	No

scavenge (noun)	scavenger (noun)
	any animal that feeds on refuse and other decaying organic matter
	someone who collects things that have been discarded by others
	a chemical agent that is added to a chemical mixture to counteract the effects of impurities

scavenge (verb)	scavenger (verb)
remove unwanted substances from
feed on carrion or refuse
clean refuse from
collect discarded material