Morning-after pill and Prophylactic

Morning-after pill noun - A large dose of estrogen taken orally within 24 to 72 hours after intercourse; prevents implantation of a fertilized ovum and so acts as a contraceptive; commonly used after rape or incest.

Prophylactic and morning-after pill are semantically related. In some cases you can use "Prophylactic" instead a noun phrase "Morning-after pill".

Prophylactic noun - Remedy that prevents or slows the course of an illness or disease.

Morning-after pill and prophylactic are semantically related. You can use "Morning-after pill" instead a noun "Prophylactic".