withdrawal vs backdown

withdrawal and backdown both are nouns.

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

As nouns, withdrawal and backdown are synonyms defined as:

Other synonyms of withdrawal include climb-down.

withdrawal (noun)	backdown (noun)
the act of withdrawing	a retraction of a previously held position
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a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation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