withdrawer vs withdraw

withdrawer is a noun but withdraw is not a noun.

Word	Noun	Adjective	Verb	Adverb
withdrawer	Yes	No	No	No
withdraw	No	No	Yes	No

withdrawer (noun)	withdraw (noun)
a depositor who withdraws funds previously deposited
a student who withdraws from the educational institution in which he or she was enrolled
a contestant who withdraws from competition
a drug addict who is discontinuing the use of narcotics
an individualist who withdraws from social interaction
an authority who withdraws permission

withdrawer (verb)	withdraw (verb)
	keep away from others
	remove something concrete, as by lifting, pushing, or taking off, or remove something abstract
	make a retreat from an earlier commitment or activity
	take back what one has said
	release from something that holds fast, connects, or entangles
	lose interest
	pull back or move away or backward
	remove (a commodity) from (a supply source)
	cause to be returned
	break from a meeting or gathering
	withdraw from active participation
	retire gracefully