jacket vs murphy

jacket and murphy both are nouns.

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

jacket (noun)	murphy (noun)
a short coat	an edible tuber native to South America; a staple food of Ireland
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)	murphy (verb)
put a jacket on
provide with a thermally non-conducting cover