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"invoice" is also used as a crossword clue. If that's what you saw, the answer is often bill (4 letters).
Definitions
To send a bill requesting payment for goods or services.
Word origin
Borrowed from Middle French envois pl, plural of envoi, from the verb envoyer (“to send”). See also envoy.
Used in a sentence
“I've already rendered the invoices for payment.”
“The merchant receives a large invoice of goods.”
“I will invoice my supplier tomorrow.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Bill”7 letters
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