polyphase vs electricity

polyphase is not a noun while electricity is a noun.

Word	Noun	Adjective	Verb	Adverb
polyphase	No	Yes	No	No
electricity	Yes	No	No	No

polyphase (noun)	electricity (noun)
	keen and shared excitement
	a physical phenomenon associated with stationary or moving electrons and protons
	energy made available by the flow of electric charge through a conductor

polyphase (adjective)	electricity (adjective)
of an electrical system that uses or generates two or more alternating voltages of the same frequency but differing in phase angle