withdrawal vs indifference

withdrawal and indifference both are nouns.

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

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

withdrawal (noun)	indifference (noun)
the act of withdrawing	the trait of lacking enthusiasm for or interest in things generally
formal separation from an alliance or federation	the trait of remaining calm and seeming not to care; a casual lack of concern
the termination of drug taking	unbiased impartial unconcern
the act of taking out money or other capital	apathy demonstrated by an absence of emotional reactions
a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation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