secret language
隠語
、
暗語
、
符牒
cryptography
, the practice and study of hidden information
language game
, a system of manipulating spoken words to render them incomprehensible to the untrained ear
/suto3/google.icon
secret language
/suto3/Google画像検索.icon
secret language
/suto3/Google定義検索.icon
secret language
/suto3/wikipedia.icon
secret language
/suto3/weblio.icon
secret language
/suto3/kotobank.icon
secret language
/suto3/jisho.icon
secret language