dominant vs predominate

dominant is a noun but predominate is not a noun.

Word	Noun	Adjective	Verb	Adverb
dominant	Yes	Yes	No	No
predominate	No	Yes	Yes	No

dominant (noun)	predominate (noun)
an allele that produces the same phenotype whether its paired allele is identical or different
(music) the fifth note of the diatonic scale

dominant (adjective)	predominate (adjective)
exercising influence or control	having superior power and influence
(of genes) producing the same phenotype whether its allele is identical or dissimilar
most frequent or common

dominant (verb)	predominate (verb)
	be larger in number, quantity, power, status or importance
	appear very large or occupy a commanding position