removal vs liberation

removal and liberation both are nouns.

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

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

removal: dismissal from office
liberation: the termination of someone's employment (leaving them free to depart)

Other hypernyms of removal include discharge, dismissal, dismission, firing, release, sack, sacking.

removal (noun)	liberation (noun)
the act of removing	the attempt to achieve equal rights or status
dismissal from office	the termination of someone's employment (leaving them free to depart)
	the act of liberating someone or something