phone bill vs invoice

phone bill and invoice both are nouns.

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

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

phone bill: statement of charges for telephone service
invoice: an itemized statement of money owed for goods shipped or services rendered

Other hypernyms of phone bill include account, bill.

phone bill (noun)	invoice (noun)
statement of charges for telephone service	an itemized statement of money owed for goods shipped or services rendered

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