trout lily vs dogtooth violet

trout lily and dogtooth violet both are nouns.

Word	Noun	Adjective	Verb	Adverb
trout lily	Yes	No	No	No
dogtooth violet	Yes	No	No	No

As nouns, dogtooth violet is a hypernym of trout lily; that is, dogtooth violet is a word with a broader meaning than trout lily:

trout lily: eastern North American dogtooth having solitary yellow flowers marked with brown or purple and spotted interiors
dogtooth violet: perennial woodland spring-flowering plant; widely cultivated

Other hypernyms of trout lily include dog's-tooth violet, dogtooth.

trout lily (noun)	dogtooth violet (noun)
eastern North American dogtooth having solitary yellow flowers marked with brown or purple and spotted interiors	perennial woodland spring-flowering plant; widely cultivated