dogtooth violet vs dogtooth

dogtooth violet and dogtooth both are nouns.

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

As nouns, dogtooth violet and dogtooth are synonyms defined as:

dogtooth violet and dogtooth: perennial woodland spring-flowering plant; widely cultivated

Other synonyms of dogtooth violet include dog's-tooth violet.

dogtooth violet (noun)	dogtooth (noun)
perennial woodland spring-flowering plant; widely cultivated	a carved pyramidal ornament; used in 13th century England
	one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars
	perennial woodland spring-flowering plant; widely cultivated