quenching vs termination

quenching and termination both are nouns.

Word	Noun	Adjective	Verb	Adverb
quenching	Yes	No	No	No
termination	Yes	No	No	No

As nouns, termination is a hypernym of quenching; that is, termination is a word with a broader meaning than quenching:

Other hypernyms of quenching include conclusion, ending.

quenching (noun)	termination (noun)
the act of extinguishing; causing to stop burning	the act of ending something
	the end of a word (a suffix or inflectional ending or final morpheme)
	something that results
	a place where something ends or is complete
	a coming to an end of a contract period