sleuth russian

• сы́щик

  detective, police spy, sleuth, plain-clothes man

• детекти́в

  detective, private investigator, sleuth

  detective story, crime novel, whodunit, detective film

• ище́йка

  bloodhound, tracker dog, sniffer dog, police dog

  sleuth, snoop, detective, cop

• шпик

  salted pork fat, bacon fat, lard (in slices)

  sleuth, plainclothes detective, police spy, informer

• филёр

  police spy, sleuth

• сы́щица

  female detective, private investigator (female), sleuth (female)