Contraceptive device and Morning-after pill

Contraceptive device noun - An agent or device intended to prevent conception.

Morning-after pill and contraceptive device are semantically related. In some cases you can replace phrase "Morning-after pill" with "Contraceptive device", this phrases are similar.

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.

Contraceptive device and morning-after pill are semantically related. Sometimes you can use "Contraceptive device" instead a noun phrase "Morning-after pill".