spy

noun 0.836

spycraft

noun 0.709

spymaster

noun 0.707

counterspy

noun 0.681

secret agent

noun 0.660

spyglass

noun 0.645

industrial espionage

noun 0.631

spyware

noun 0.626

counterespionage

noun 0.623

wiretapping

noun 0.587

snooping

noun 0.587

private eye

noun 0.580

foreign agent

noun 0.575

eavesdropper

noun 0.572

wiretap

noun 0.572

double agent

noun 0.571

counterintelligence

noun 0.570

spider

noun 0.566

eavesdrop

noun 0.563

eavesdropping

noun 0.562

spyhole

noun 0.561

intelligence office

noun 0.558

spiv

noun 0.556

intelligence asset

noun 0.555

espial

noun 0.555

spotter

noun 0.554

surveillance

noun 0.552

snooper

noun 0.546

spin doctor

noun 0.544

mass surveillance

noun 0.543

sleeper agent

noun 0.542

countersurveillance

noun 0.541

spotter plane

noun 0.539

surveillance camera

noun 0.537

space satellite

noun 0.535

private investigator

noun 0.534

listening station

noun 0.529

undercover

noun 0.528

sniffer

noun 0.528

snitch

noun 0.526

sleeper cell

noun 0.524

spook

noun 0.521

sputnik

noun 0.521

goldeneye

noun 0.519

stealth

noun 0.514

spiderweb

noun 0.514

satphone

noun 0.513

covert

noun 0.512

triple agent

noun 0.511

detective

noun 0.511

spotting

noun 0.508

spin label

noun 0.504

sleuth

noun 0.503