Dravidian vs Kui

Dravidian and Kui both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dravidian	Yes	No	No	No
Kui	Yes	No	No	No

As nouns, Kui is a hyponym of Dravidian; that is, Kui is a word with a more specific, narrower meaning than Dravidian:

Other hyponyms of Dravidian include Badaga, Gadaba, Gond, Canarese, Kanarese, Kolam, Kota, Kotar, Malto, Savara, Tamil, Telugu, Toda, Tulu.

Dravidian (noun)	Kui (noun)
a large family of languages spoken in south and central India and Sri Lanka, as well as overseas in Malaysia and Singapore	the Dravidian language spoken by the Kui in southeastern India
a member of one of the aboriginal inhabitants of India	a member of the Dravidian people living in southeastern India