liberation vs ending

liberation and ending both are nouns.

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

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

liberation: the termination of someone's employment (leaving them free to depart)
ending: the act of ending something

Other hypernyms of liberation include conclusion, termination.

liberation (noun)	ending (noun)
the attempt to achieve equal rights or status	the act of ending something
the termination of someone's employment (leaving them free to depart)	the end of a word (a suffix or inflectional ending or final morpheme)
the act of liberating someone or something	the last section of a communication
	event whose occurrence ends something
	the point in time at which something ends