List of secret language synonyms and secret language related words.
Aesopian language, Babel, Greek, argot, babble, cant, cipher, code, coded message, cryptoanalysis, cryptoanalytics, cryptogram, cryptograph, cryptographer, cryptography, double Dutch, garble, gibberish, gift of tongues, glossolalia, gobbledygook, invisible ink, jargon, jumble, noise, scramble, secret writing, slang, sympathetic ink