electric bill vs invoice

electric bill and invoice both are nouns.

Word	Noun	Adjective	Verb	Adverb
electric bill	Yes	No	No	No
invoice	Yes	No	Yes	No

As nouns, invoice is a hypernym of electric bill; that is, invoice is a word with a broader meaning than electric bill:

electric bill: a bill for money owed for electricity used
invoice: an itemized statement of money owed for goods shipped or services rendered

Other hypernyms of electric bill include account, bill.

electric bill (noun)	invoice (noun)
a bill for money owed for electricity used	an itemized statement of money owed for goods shipped or services rendered

electric bill (verb)	invoice (verb)
	send a bill to