Caucasoid race vs Caucasian race

Caucasoid race and Caucasian race both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caucasoid race	Yes	No	No	No
Caucasian race	Yes	No	No	No

As nouns, Caucasoid race and Caucasian race are synonyms defined as:

Other synonyms of Caucasoid race include White people, White race.

Caucasoid race (noun)	Caucasian race (noun)
a light-skinned race	a light-skinned race