| stoolie(noun, law, person, knowledge, slang) |
| tipster(noun, law, person, knowledge, informal) |
| blab(noun, verb, tell, talk, gossip) |
| chatterbox(noun, gossip, informer, squealer, tattle) |
| informant(noun, law, person, knowledge, source) |
| newsmonger(noun, gossip, nuisance, informer, snoop) |
| canary(noun, source, gossip, disclosure, grass) |
| traducer(noun, bad, evil, spy, impostor) |
| yenta(noun, slang) |
| baiter(noun, bad, evil, bad person) |
| betrayer(source, spy, grass, sneak, informer) |
| blabber(noun, gossip) |
| chatterer(noun, gossip, nuisance, informer, tattle) |
| defamer(noun, bad, evil, bad person) |
| heckler(noun, bad, evil, bad person) |
| libeler(noun, bad, evil, bad person) |
| libelist(noun, bad, evil, bad person) |
| needler(noun, bad, evil, bad person) |
| prattler(noun, gossip, informer, tattle, tattler) |
| sneak(source, spy, gossip, grass, informer) |