backdown vs withdrawal

backdown and withdrawal both are nouns.

Word	Noun	Adjective	Verb	Adverb
backdown	Yes	No	No	No
withdrawal	Yes	No	No	No

As nouns, backdown and withdrawal are synonyms defined as:

Other synonyms of backdown include climb-down.

backdown (noun)	withdrawal (noun)
a retraction of a previously held position	the act of withdrawing
	formal separation from an alliance or federation
	the termination of drug taking
	the act of taking out money or other capital
	a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation
	the act of withdrawing blood, tumors, etc.
	the act of ceasing to participate in an activity
	a retraction of a previously held position
	avoiding emotional involvement