White people vs Caucasoid race

White people and Caucasoid race both are nouns.

Word	Noun	Adjective	Verb	Adverb
White people	Yes	No	No	No
Caucasoid race	Yes	No	No	No

As nouns, White people and Caucasoid race are synonyms defined as:

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

White people (noun)	Caucasoid race (noun)
a light-skinned race	a light-skinned race