cuspid vs eye tooth

cuspid and eye tooth both are nouns.

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

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

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

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

cuspid (noun)	eye tooth (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