Synonyms and related words :
argot, cant, dialect, gibberish, gobbledygook, idiom, jargon, language, langue, lingua, locution, mumbo jumbo, mumbo-jumbo, parlance, parole, patois, patter, personal usage, phraseology, pidgin, scatology, slang, speech, taboo language, talk, tongue, usage, vernacular, vocabulary, vulgar language