cipher

noun 0.796

encryption

noun 0.693

cryptography

noun 0.677

block cipher

noun 0.673

cryptology

noun 0.670

deciphering

noun 0.656

codebreaking

noun 0.648

ciphertext

noun 0.639

stream cipher

noun 0.635

decryption

noun 0.633

crypt

noun 0.621

decipher

noun 0.618

cryptogram

noun 0.617

coding

noun 0.606

substitution cipher

noun 0.595

decipherment

noun 0.595

cryptographer

noun 0.592

decipherer

noun 0.591

encoding

noun 0.590

cryptate

noun 0.588

decoding

noun 0.582

cryptosystem

noun 0.579

crypto

noun 0.574

cryptologist

noun 0.570

cryptic

noun 0.566

cryptanalysis

noun 0.563

decrypt

noun 0.560

cyning

noun 0.555

cryptonym

noun 0.543

codifying

noun 0.539

circuiting

noun 0.538

cryptand

noun 0.534

hashing

noun 0.530

scrambling

noun 0.526

decoder

noun 0.522

coder

noun 0.519

codeword

noun 0.518

codec

noun 0.518

keying

noun 0.515

steganography

noun 0.515

cracking

noun 0.513

coding theory

noun 0.512

character encoding

noun 0.507

encoder

noun 0.505

cryptanalyst

noun 0.503

overcoding

noun 0.503