morpheme vs termination

morpheme and termination both are nouns.

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

As nouns, termination is a hyponym of morpheme; that is, termination is a word with a more specific, narrower meaning than morpheme:

morpheme: minimal meaningful language unit; it cannot be divided into smaller meaningful units
termination: the end of a word (a suffix or inflectional ending or final morpheme)

Other hyponyms of morpheme include allomorph, free form, free morpheme, bound form, bound morpheme, classifier, ending, clitic.

morpheme (noun)	termination (noun)
minimal meaningful language unit; it cannot be divided into smaller meaningful units	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