means vs tooth

means and tooth both are nouns.

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

As nouns, tooth is a hyponym of means; that is, tooth is a word with a more specific, narrower meaning than means:

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