Home › Words › S › subciphersubciphersubcipher means A secondary cipher.EtymologyFrom sub- + cipher.nounA secondary cipherDefinitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.subcode 63% match — A code making up part of a larger code. vs subcipher →superencipherment 59% match — superencryption vs subcipher →reencryption 57% match — A second or subsequent encryption vs subcipher →cipher 57% match — A numeric character. vs subcipher →cryptanalytical 55% match — cryptanalytic vs subcipher →subcylinder 54% match — A secondary or subsidiary cylinder; a cylinder within a cylinder. vs subcipher →submessage 54% match — A message that makes up part of another message. vs subcipher →subkey 53% match — A partial key. vs subcipher →