vernacular
extralinguistically
decipherment
gibberish
semilingual
untranslatability
impropriety
unlanguaged
xenography
razzmatazz
dialect
registrogenesis
ghost language
languagelessness
nonlanguage
private language thesis
French
antiseptic
langue
illiterate
pseudolanguage
preliterate
nonstandardization
unintelligible
semiliterate
attrition
carabao English
nonverbal
uncorrupted
undefiled
tonoexodus
slang
prose
subvariety
translatability
foreign language
uncomprehending
asemic
cacosyntheton
parlour game
double Dutch
dejargonization
incomprehension
insensible
Common Intermediate Language
semiliteracy
dead language
illiteracy
normless
cryptogrammar