bucktooth vs anterior

bucktooth and anterior both are nouns.

Word	Noun	Adjective	Verb	Adverb
bucktooth	Yes	No	No	No
anterior	Yes	Yes	No	No

As nouns, anterior is a hypernym of bucktooth; that is, anterior is a word with a broader meaning than bucktooth:

Other hypernyms of bucktooth include front tooth.

bucktooth (noun)	anterior (noun)
a large projecting front tooth	a tooth situated at the front of the mouth

bucktooth (adjective)	anterior (adjective)
	of or near the head end or toward the front plane of a body
	earlier in time