Synonyms of code in English:

code


See definition of code

noun

1‘a message in code’

SYNONYMS
cipher, secret language, secret writing, set of symbols, key, hieroglyphics
coded message, cryptogram
rare cryptograph

2‘a strict social code among inmates’

SYNONYMS
set of principles, set of standards, set of customs
manners, ethics, morals
morality, convention, accepted behaviour, etiquette, protocol

3‘the penal code’

SYNONYMS
law, laws, body of law, rules, regulations, constitution, system, charter, canon, jurisprudence