cryptography vs cryptanalysis

cryptography and cryptanalysis both are nouns.

Word	Noun	Adjective	Verb	Adverb
cryptography	Yes	No	No	No
cryptanalysis	Yes	No	No	No

As nouns, cryptography and cryptanalysis are synonyms defined as:

cryptography and cryptanalysis: the science of analyzing and deciphering codes and ciphers and cryptograms

Other synonyms of cryptography include cryptanalytics, cryptology.

cryptography (noun)	cryptanalysis (noun)
act of writing in code or cipher	the science of analyzing and deciphering codes and ciphers and cryptograms
the science of analyzing and deciphering codes and ciphers and cryptograms