snoop (suomeksi)

urkkia (v: to secretly spy on or investigate, especially into the private personal life of others)
nuuskia (v: to secretly spy on or investigate, especially into the private personal life of others)
hiippailla (v: to be devious and cunning so as not to be seen)
nuuskiminen (s: the act of snooping)
urkinta (s: the act of snooping)
nuuskija (s: one who snoops)
urkkija (s: one who snoops)
yksityisetsivä (s: a private detective)