Snitch
Part of speech: verb
Definition: To steal, quickly and quietly. To inform on. To contact or cooperate with the police for any reason.
Part of speech: noun
Definition: A thief. An informer, usually one who betrays his group. A nose (usage - UK: An itchy snitch) - see snitch/verification.
Sneaker
Part of speech: noun
Definition: An athletic shoe with a soft, rubber sole.One who sneaks.