heliopsis vs oxeye

heliopsis and oxeye both are nouns.

Word	Noun	Adjective	Verb	Adverb
heliopsis	Yes	No	No	No
oxeye	Yes	No	No	No

As nouns, heliopsis and oxeye are synonyms defined as:

heliopsis and oxeye: any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers

heliopsis (noun)	oxeye (noun)
any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers	an oval or round dormer window
	Eurasian perennial herbs having daisylike flowers with yellow rays and dark centers
	any North American shrubby perennial herb of the genus Heliopsis having large yellow daisylike flowers