Cryptanalyze is a term that refers to the process of decoding a secret code or cipher. While there are different ways to approach cryptanalysis, antonyms are words that are opposite in meaning to cryptanalyze. Some antonyms for the word cryptanalyze include encode, encrypt, encode, encode, or encode. These words refer to the process of creating a secret code or cipher instead of decoding it. Other antonyms include decipher, decode, convert or reveal, meaning to uncover or make sense of a secret code or cipher. By using antonyms in your writing, you can help your readers better understand the subtle differences between these related but distinct concepts.