Synonyms to coded message

cryptography, cipher, code, coup de plume, criticism, cryptanalysis, cryptoanalysis, cryptoanalytics, cryptogram, cryptograph, cryptographer, cryptology, diagnostics, engrossment, epigraphy, exegetics, hermeneutics, ink spilling, inkslinging, inscription, invisible ink, lettering, lexicography, literary criticism, macrography, metoposcopy, micrography, oneirology, paleography, pathognomy, pen, pen-and-ink, pencil driving, physiognomics, physiognomy, scrivenery, scrivening, secret language, secret writing, semeiology, semeiotics, sympathetic ink, symptomatology, textual criticism, tropology, typewriting, typing, writing, Aesopian language, Babel, Greek, John Hancock, X, a nobody, a nothing, add, algebraize, allegory, alphabetic character, argot, aught, autograph, babble, binary digit, bit, break, calculate, cant, cast, character, charactery, christcross, clear up, common man, compute, conventional symbol, countermark, countersign, countersignature, counterstamp, cross, d