| fink(noun, source, agent, spy, gossip) |
| informer(noun, source, agent, spy, gossip) |
| snitch(noun, verb, source, gossip, sneak) |
| squealer(noun, source, gossip, sneak, informer) |
| stool pigeon(noun, expression, idiom, catch, informer) |
| betrayer(noun, source, grass, sneak, decoy) |
| narc(noun, source, grass, sneak, informer) |
| sneak(noun, source, grass, decoy, informer) |
| stoolie(noun, catch, source, gossip, bait) |
| canary(noun, source, gossip, grass, sneak) |
| informant(noun, source, grass, sneak, decoy) |
| tattletale(noun, source, gossip, grass, sneak) |
| tattler(noun, source, gossip, sneak, informer) |
| tipster(noun, source, gossip, sneak, informer) |
| blabbermouth(noun, source, gossip, sneak, informer) |
| deep throat(noun, expression, source, sneak, informer) |
| double-crosser(noun, source, grass, sneak, decoy) |
| fat mouth(noun, expression, gossip, informer) |
| ratfink(noun, gossip, sneak, informer) |
| snake(noun, sneak, informer, informant) |