synthetism vs genre

synthetism and genre both are nouns.

Word	Noun	Adjective	Verb	Adverb
synthetism	Yes	No	No	No
genre	Yes	No	No	No

As nouns, genre is a hypernym of synthetism; that is, genre is a word with a broader meaning than synthetism:

synthetism: a genre of French painting characterized by bright flat shapes and symbolic treatments of abstract ideas
genre: a class of art (or artistic endeavor) having a characteristic form or technique

synthetism (noun)	genre (noun)
a genre of French painting characterized by bright flat shapes and symbolic treatments of abstract ideas	a class of art (or artistic endeavor) having a characteristic form or technique
	a kind of literary or artistic work
	a style of expressing yourself in writing