tone ending vs termination

tone ending and termination both are nouns.

Word	Noun	Adjective	Verb	Adverb
tone ending	Yes	No	No	No
termination	Yes	No	No	No

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

tone ending: (music) the act or manner of terminating a musical phrase or tone
termination: the act of ending something

Other hypernyms of tone ending include conclusion, ending.

tone ending (noun)	termination (noun)
(music) the act or manner of terminating a musical phrase or tone	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