cypher
Samheiti:
aught,
calculate,
cipher,
code,
compute,
cryptograph,
encipher,
encrypt,
figure,
goose egg,
inscribe,
nada,
naught,
nil,
nix,
nobody,
nonentity,
nothing,
nought,
null,
reckon,
secret code,
work out,
write in code,
zero,
zilch,
zip,
zippo