tooth vs toothy

tooth is a noun but toothy is not a noun.

Word	Noun	Adjective	Verb	Adverb
tooth	Yes	No	No	No
toothy	No	Yes	No	No

tooth (noun)	toothy (noun)
a means of enforcement
toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell
something resembling the tooth of an animal
one of a number of uniform projections on a gear
hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

tooth (adjective)	toothy (adjective)
	having or showing prominent teeth