Cop and Nurse practitioner

Cop noun - A member of a force charged with law enforcement at the local level.

Nurse practitioner and cop are semantically related. In some cases you can use "Nurse practitioner" instead a noun "Cop".

Nurse practitioner noun - A registered nurse who has received special training and can perform many of the duties of a physician.

Cop and nurse practitioner are semantically related. Sometimes you can use "Cop" instead a noun phrase "Nurse practitioner".