What is a synonym for "expiry"?

Common synonyms include: expiration, dairy products shelf life, death, decease, end date, passing.

How do you pronounce "expiry"?

Pronounced //ɪkˈspaɪ.əɹ.i//.

/ɪkˈspaɪ.əɹ.i/ noun

noun ·Rare ·Advanced level

Noun

1
End; termination; expiration. Australia, British, New-Zealand, countable, uncountable
2
the event of dying or departure from life wordnet
3
Death. Australia, British, New-Zealand, countable, uncountable
4
a coming to an end of a contract period wordnet
5
Synonym of expiration date. Australia, New-Zealand, countable, uncountable

"Why do medicines have expiry dates?"

From expire + -y.