jacket vs odontology

jacket and odontology both are nouns.

Word	Noun	Adjective	Verb	Adverb
jacket	Yes	No	Yes	No
odontology	Yes	No	No	No

jacket (noun)	odontology (noun)
a short coat	the branch of medicine dealing with the anatomy and development and diseases of the teeth
an outer wrapping or casing
(dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth
the tough metal shell casing for certain kinds of ammunition
the outer skin of a potato

jacket (verb)	odontology (verb)
put a jacket on
provide with a thermally non-conducting cover