- Aesopian language
- argot
- babble
- babblement
- Babel
- balderdash
- blabber
- blather
- cant
- chatter
- cipher
- claptrap
- code
- cryptogram
- dialect
- diction
- double Dutch
- double-talk
- drivel
- expression
- flummery
- fudge
- fustian
- gabble
- garble
- gibber
- gibberish
- gibble-gabble
- gift of tongues
- glossolalia
- gobbledygook
- Greek
- humbug
- idiom
- jabber
- jargon
- jumble
- language
- langue
- lexicon
- lingo
- lingua
- locution
- mumbo jumbo
- noise
- nonsense
- palaver
- parlance
- parole
- patois
- patter
- personal usage
- phrase
- phraseology
- phrasing
- prate
- prattle
- rant
- rubbish
- scatology
- scramble
- secret language
- skimble-skamble
- slang
- speech
- stuff and nonsense
- taboo language
- talk
- tongue
- twaddle
- twattle
- usage
- use of words
- usus loquendi
- vaporing
- verbiage
- vernacular
- vocabulary
- vulgar language
- wordage
- wording