canine tooth vs cuspid

canine tooth and cuspid both are nouns.

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

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

canine tooth and cuspid: 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, dogtooth, eye tooth, eyetooth.

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