cryptanalysis vs cryptography

cryptanalysis and cryptography both are nouns.

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

As nouns, cryptanalysis and cryptography are synonyms defined as:

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

Other synonyms of cryptanalysis include cryptanalytics, cryptology.

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