Babeldom
heterotext
triglottic
pattern
heteroglot
cone
cross-linguistic
double Dutch
linkage
kitchen
razzmatazz
panlinguistic
doublespeak
pentalingual
translingual
Nostratic
reconstructed language
superstock
octoglot
international auxiliary language
xenolect
language island
jargon
null-subject language
Sprachraum
good language
macrolanguage
metalanguage
translinguistic
crosslingual
Slavonic
untranslatable
quadrilingual
pseudolanguage
polylectal
crosslinguistic
panlectal
tower of Babel
multilingual
Swiss German
koine
pentaglot
interlanguage
languaged
lingua franca
Slurvian
antiseptic
Ural-Altaic
anisomorphism
Xinca