electricity vs polyphase

electricity is a noun but polyphase is not a noun.

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

electricity (noun)	polyphase (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

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