secret

noun 0.719

open secret

noun 0.651

secrecy

noun 0.643

proprietary

noun 0.624

hush-hush

noun 0.603

industrial espionage

noun 0.588

confidentiality

noun 0.586

inside information

noun 0.583

secretiveness

noun 0.580

professional secrecy

noun 0.574

nondisclosure

noun 0.574

trademark

noun 0.562

tradecraft

noun 0.561

non-disclosure agreement

noun 0.551

intellectual property

noun 0.549

private

noun 0.534

stealth

noun 0.530

covertness

noun 0.529

classified

noun 0.523

covert

noun 0.523

patent

noun 0.517

privacy

noun 0.509

exclusive

noun 0.509

service mark

noun 0.508

priv

noun 0.507

registered trademark

noun 0.506

noncompete

noun 0.505

trade

noun 0.505

insider dealing

noun 0.505

privacy seal

noun 0.504

esoteric

noun 0.500