canine tooth vs dogtooth

canine tooth and dogtooth both are nouns.

Word	Noun	Adjective	Verb	Adverb
canine tooth	Yes	No	No	No
dogtooth	Yes	No	No	No

As nouns, canine tooth and dogtooth are synonyms defined as:

canine tooth and dogtooth: one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars

Other synonyms of canine tooth include canine, cuspid, eye tooth, eyetooth.

canine tooth (noun)	dogtooth (noun)
one of the four pointed conical teeth (two in each jaw) located between the incisors and the premolars	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