Columbia subject headings:
Harvard subject headings:
Japanese language--20th century--Glossaries, vocabularies, etc.
Japanese language--Slang.
Korean language--20th century--Glossaries, vocabularies, etc.
Korean language--Slang.
Language and culture--Japan.
Language and culture--Korea (South)
Princeton subject headings:
Japanese language--New words.
Japanese language--Slang.
Japanese language--Social aspects.
Korean language--New words.
Korean language--Slang.
Korean language--Social aspects.