undercover

noun 0.807

covert

noun 0.688

cover-up

noun 0.648

covertness

noun 0.624

covert prestige

noun 0.624

covered way

noun 0.615

uncovering

noun 0.587

cover

noun 0.585

incognito

noun 0.585

subcover

noun 0.583

down low

noun 0.579

extra cover

noun 0.578

secret agent

noun 0.566

underhand

noun 0.563

underground

noun 0.562

stealth

noun 0.559

deep background

noun 0.557

hiding

noun 0.556

cut and cover

noun 0.554

no cover

noun 0.552

covering

noun 0.548

deep

noun 0.545

plainclothes

noun 0.544

double agent

noun 0.539

hideout

noun 0.537

countersubversive

noun 0.535

infiltrator

noun 0.535

deep cut

noun 0.535

undercut

noun 0.533

concealment

noun 0.532

subterfuge

noun 0.532

hiding place

noun 0.532

underlying

noun 0.531

back cover

noun 0.530

hidden agenda

noun 0.528

underneath

noun 0.527

deep water

noun 0.527

hush-hush

noun 0.526

undercurrent

noun 0.524

underworld

noun 0.521

hideaway

noun 0.520

vertex cover

noun 0.519

hider

noun 0.519

cover point

noun 0.518

darknet

noun 0.517

cloaking

noun 0.517

plainclothesman

noun 0.515

secret

noun 0.515

confidential informant

noun 0.515

subsurface

noun 0.512

sleeper agent

noun 0.511

double bluff

noun 0.510

cover version

noun 0.510

hide

noun 0.510

dead drop

noun 0.509

bedcover

noun 0.509

low key

noun 0.509

underlay

noun 0.509

sleeper cell

noun 0.508

decoy

noun 0.508

black budget

noun 0.508

underhandedness

noun 0.507

doublecross

noun 0.507

counterspy

noun 0.506

covers

noun 0.505

ground cover

noun 0.505

open secret

noun 0.504

occult

noun 0.504

underlier

noun 0.503

dark pattern

noun 0.503

recondite

noun 0.503

couvert

noun 0.502

camouflage

noun 0.502

disguise

noun 0.502

inside story

noun 0.501

inside information

noun 0.501