caucasian

As adjectives the difference between caucasian and khinalug

is that caucasian is of, or relating to the Caucasus region or its people, languages and culture while Khinalug is of or pertaining to the Khinalug language or people.

As a noun Caucasian

is a native or inhabitant of the Caucasus.

As a proper noun Khinalug is

a Northeast Caucasian language spoken mainly in the villages of Khinalug and Qalayxudat just north of Quba (Quba Rayon, Azerbaijan).

As adjectives the difference between caucasian and ingush

is that caucasian is while ingush is of, or pertaining to ingushetia, a republic of russia.

As a noun ingush is

(countable) a person from ingushetia.

As a proper noun ingush is

a caucasian language spoken in and around ingushetia.