racial vs biracial

racial and biracial both are adjectives.

Word	Noun	Adjective	Verb	Adverb
racial	No	Yes	No	No
biracial	No	Yes	No	No

racial (adjective)	biracial (adjective)
of or characteristic of race or races or arising from differences among groups	consisting of or combining two races
of or related to genetically distinguished groups of people