termination vs expiry

termination and expiry both are nouns.

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

As nouns, termination and expiry are synonyms defined as:

Other synonyms of termination include expiration.

termination (noun)	expiry (noun)
the act of ending something	the event of dying or departure from life
the end of a word (a suffix or inflectional ending or final morpheme)	a coming to an end of a contract period
something that results
a place where something ends or is complete
a coming to an end of a contract period