Narc and Source

Narc noun - A lawman concerned with narcotics violations.

Source and narc are semantically related. in sneak topic. In some cases you can use "Source" instead a noun "Narc", when it comes to topics like informer, informer to police.

Source noun - A point or place at which something is invented or provided.

Narc and source are semantically related. Sometimes you can use "Narc" instead a noun "Source".