Ciphers, noun plural of cipher. Synonyms in the same form.
Nobody
nothings, nobodies, non-entities, zeros, naughts, zilches, nixes, trifles, nils, aughts, pip-squeaks, nulls, punks, zips, shrimps, nebbishes
Digit
digits, numbers, numerals
Monogram
monograms, devices
Other
codes, good-for-nothings, rotations, cryptographs
All synonyms for cipher →