Columbia subject headings:
English language--Inflection.
English language--Orthography and spelling.
English language--Pronunciation.
English language--Syntax.
Harvard subject headings:
English language--Inflection
English language--Orthography and spelling
English language--Pronunciation
English language--Syntax
Princeton subject headings:
English language--Inflection.
English language--Orthography and spelling.
English language--Pronunciation.
English language--Syntax.