Julius Caesar cipher
Vigenère cipher
cipherlike
ROT13
Feistel network
foursquare
cryptocystal
cryptic
microaphanitic
cryptorchis
cryptocyanin
cryptographics
cryptograph
cryptogamic
polygraphy
cryptonymic
nomenclator
cryptogrammatical
pigpen
cryptophyte
substitution code
pancryptodiran
cipherdom
codemaking
cryptologically
cryptosystem
monoliteral
crypto-
rubber-hose cryptanalysis
cryptonymy
keyphrase
cryptococcic
cryptonymous
cryptogrammatic
Theban alphabet
cryptogenicity
encrypt
cryptate
cryptomathematics
cryptosporidian
autokey
cryptomathematical
cryptolectal
cryptogenous
cryptology
cryptanalysis
cryptanalytics
undercraft
atbash
cryptography