jargon

noun 0.690

slang

noun 0.673

lingo

noun 0.638

patois

noun 0.600

parlance

noun 0.593

dialect

noun 0.557

agar

noun 0.548

language

noun 0.547

vocabulary

noun 0.546

idiom

noun 0.544

langue

noun 0.538

sublanguage

noun 0.532

brogue

noun 0.526

colloquial

noun 0.524

agger

noun 0.523

idiomatic

noun 0.523

vocab

noun 0.519

argan

noun 0.518

argent

noun 0.517

garb

noun 0.516

glossary

noun 0.514

mot juste

noun 0.513

vernacular

noun 0.513

phraseology

noun 0.513

ghetto

noun 0.510

foreign tongue

noun 0.508

joual

noun 0.506

term of art

noun 0.506

anglicism

noun 0.506

agio

noun 0.505

codeword

noun 0.505

idiolect

noun 0.502

foreign language

noun 0.502