tooth vs means

tooth and means both are nouns.

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

As nouns, means is a hypernym of tooth; that is, means is a word with a broader meaning than tooth:

Other hypernyms of tooth include agency, way.

tooth (noun)	means (noun)
a means of enforcement	to have the ability to produce a particular effect or achieve an end
toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell	an artifact (that is instrumental in accomplishing some end) for accomplishing some end
something resembling the tooth of an animal	considerable capital (wealth or income)
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