dominant vs ascendant

dominant and ascendant both are nouns.

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

dominant (noun)	ascendant (noun)
an allele that produces the same phenotype whether its paired allele is identical or different	someone from whom you are descended (but usually more remote than a grandparent)
(music) the fifth note of the diatonic scale	position or state of being dominant or in control

dominant (adjective)	ascendant (adjective)
exercising influence or control	tending or directed upward
(of genes) producing the same phenotype whether its allele is identical or dissimilar	most powerful or important or influential
most frequent or common