cipher

noun 0.700

cryptographer

noun 0.671

cryptologist

noun 0.657

cryptology

noun 0.643

chronogram

noun 0.638

crypt

noun 0.636

codeword

noun 0.630

cryptonym

noun 0.628

cryptography

noun 0.627

codebreaking

noun 0.620

cryptosystem

noun 0.619

ciphering

noun 0.617

anagram

noun 0.610

crypto

noun 0.606

radiogram

noun 0.603

ciphertext

noun 0.602

cryptic

noun 0.593

phonogram

noun 0.592

cablegram

noun 0.586

substitution cipher

noun 0.582

decipher

noun 0.580

lexigram

noun 0.575

crossword

noun 0.574

block cipher

noun 0.571

photogram

noun 0.570

logogram

noun 0.563

cryptand

noun 0.563

cryptanalysis

noun 0.559

trigram

noun 0.557

decipherer

noun 0.556

epigram

noun 0.551

enigma

noun 0.549

crossword puzzle

noun 0.545

encryption

noun 0.543

engram

noun 0.540

coder

noun 0.540

encephalogram

noun 0.539

stereogram

noun 0.538

decryption

noun 0.538

acrostic

noun 0.538

cryptanalyst

noun 0.537

pictogram

noun 0.536

steganography

noun 0.534

deciphering

noun 0.534

cartogram

noun 0.534

keygen

noun 0.530

hieroglyph

noun 0.529

digram

noun 0.528

grogram

noun 0.526

ideogram

noun 0.525

hieroglyphic

noun 0.525

decipherment

noun 0.524

tomogram

noun 0.523

monogram

noun 0.522

cryptocurrency

noun 0.520

riddle

noun 0.520

picogram

noun 0.519

puzzler

noun 0.519

codebreaker

noun 0.516

stream cipher

noun 0.515

aerogram

noun 0.515

correlogram

noun 0.513

puzzle

noun 0.512

cardiogram

noun 0.509

cryptomnesia

noun 0.508

hemogram

noun 0.508

gramme

noun 0.508

code

noun 0.504

gram

noun 0.503

electrogram

noun 0.502

brainteaser

noun 0.502

grapheme

noun 0.501

codec

noun 0.501

gematria

noun 0.500