Columbia subject headings:
English language--Adjective.
English language--Word formation.
French language--Adjective.
French language--Word formation.
Harvard subject headings:
English language--Adjective
English language--Word formation
French language--Adjective.
French language--Word formation.
Princeton subject headings:
English language--Adjective.
English language--Word formation.
French language--Adjective.
French language--Word formation.