crossover vs music genre

crossover and music genre both are nouns.

Word	Noun	Adjective	Verb	Adverb
crossover	Yes	No	No	No
music genre	Yes	No	No	No

crossover (noun)	music genre (noun)
a path (often marked) where something (as a street or railroad) can be crossed to get from one side to the other	an expressive style of music
the appropriation of a new style (especially in popular music) by combining elements of different genres in order to appeal to a wider audience
a voter who is registered as a member of one political party but who votes in the primary of another party
the interchange of sections between pairing homologous chromosomes during the prophase of meiosis