withdrawal vs removal

withdrawal and removal both are nouns.

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

As nouns, removal is a hypernym of withdrawal; that is, removal is a word with a broader meaning than withdrawal:

Other hypernyms of withdrawal include remotion.

As nouns, removal is a hypernym of withdrawal; that is, removal is a word with a broader meaning than withdrawal:

Other hypernyms of withdrawal include remotion.

withdrawal (noun)	removal (noun)
the act of withdrawing	the act of removing
formal separation from an alliance or federation	dismissal from office
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a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation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