Nark and Source

Nark noun - A person who provides information about another's wrongdoing.

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

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

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