dominant vs rife

dominant is a noun but rife is not a noun.

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

As adjectives, dominant and rife are synonyms defined as:

Other synonyms of dominant include predominant, prevailing, prevalent.

dominant (noun)	rife (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)	rife (adjective)
exercising influence or control	excessively abundant
(of genes) producing the same phenotype whether its allele is identical or dissimilar	most frequent or common
most frequent or common