decipher vs encryption

decipher

noun
  • A decipherment; a decoding. 

verb
  • To decode or decrypt a code or cipher to plain text. 

  • To make sense of a complex situation. 

  • To find a solution to a problem. 

  • To read text that is almost illegible or obscure 

encryption

noun
  • A ciphertext, a cryptogram, an encrypted value. Usually used with the preposition "of" followed by the value that is hidden in it. 

  • The process of obscuring information to make it unreadable without special knowledge, key files, or passwords. 

How often have the words decipher and encryption occurred in a corpus of books? (source: Google Ngram Viewer )