One who gives incriminating information about others
(Noun)
One who reveals confidential information in return for money
(Noun)
A person who is deemed to be despicable or contemptible
(Noun)
Give away information about somebody
(Verb)
To abandon one's cause or party usually to join another
(Verb)

Words Related to Rats

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.