Subgenre is one word, however, those who doubt how the word is constructed may use a hyphen.
Jazz
nature writing
Nerdcore is a subgenre of hip hop.
It's a revenge tragedy.
The book "John Henry" falls under the genre of American folktales and its subgenre would be specifically categorized as a tall tale.
Ethan in different languages: Spanish: Ethan French: Ethan German: Ethan Italian: Ethan Russian: Итан (Itan)
She contributed to the development of the gothic subgenre
nature writingnature writing
Miles Davis
Fiction
"Paper Towns" by John Green falls under the subgenre of young adult contemporary fiction, specifically focusing on themes of coming-of-age, friendship, and self-discovery.