eavesdrop

noun 0.884

eavesdropping

noun 0.879

overhearing

noun 0.668

snooper

noun 0.655

hearer

noun 0.622

snooping

noun 0.611

lurker

noun 0.610

gossiper

noun 0.609

onlooker

noun 0.602

watcher

noun 0.588

earwitness

noun 0.583

overlooker

noun 0.579

listener

noun 0.579

spy

noun 0.575

wiretapping

noun 0.573

intruder

noun 0.572

peeping

noun 0.572

spy ring

noun 0.572

sniffer

noun 0.571

interloper

noun 0.570

stalker

noun 0.567

tattletale

noun 0.567

whisperer

noun 0.566

busybody

noun 0.565

peeper

noun 0.565

snitch

noun 0.563

earshot

noun 0.562

wiretap

noun 0.560

leaker

noun 0.557

sneak thief

noun 0.555

fly on the wall

noun 0.555

observer

noun 0.554

kibitzer

noun 0.553

shoulder surfing

noun 0.551

infiltrator

noun 0.550

creeper

noun 0.549

auditor

noun 0.544

informer

noun 0.543

nosiness

noun 0.541

bystander

noun 0.539

chatterer

noun 0.539

birdwatcher

noun 0.538

earpiece

noun 0.536

tattler

noun 0.534

spectator

noun 0.530

blabbermouth

noun 0.530

meddler

noun 0.529

sneak

noun 0.528

clairaudient

noun 0.528

eyedropper

noun 0.527

thief

noun 0.526

chatterbox

noun 0.524

intruding

noun 0.521

interrogator

noun 0.520

burglar

noun 0.520

skulker

noun 0.517

spyhole

noun 0.517

informant

noun 0.517

stool pigeon

noun 0.516

hacker

noun 0.515

sleuth

noun 0.515

heckler

noun 0.514

snorer

noun 0.514

earphone

noun 0.514

interceptor

noun 0.513

pickpocket

noun 0.512

private eye

noun 0.512

clapper

noun 0.511

looker

noun 0.511

counterspy

noun 0.511

introvert

noun 0.510

packet sniffer

noun 0.510

gossip

noun 0.510

snatcher

noun 0.510

listening station

noun 0.509

saboteur

noun 0.509

lookout

noun 0.508

talker

noun 0.507

ambusher

noun 0.506

stealer

noun 0.506

eyewitness

noun 0.505

poacher

noun 0.504

sleeper

noun 0.504

privy

noun 0.504

transcriber

noun 0.503

robber

noun 0.503

insider

noun 0.503

mystery shopper

noun 0.502

usherette

noun 0.502

conniver

noun 0.502

pilferer

noun 0.502

listening post

noun 0.501

private investigator

noun 0.500