The best replacement for invoice is receipt.

The best alternatives to invoice are rated as following:
★★★★★  receipt
★★★★★  statement
★★★★★  bill
★★★★  msrp
★★  purchase order
★★  sales receipt
★★  quote
★  commercial invoice
★  proforma invoice
★  dealer invoice
★  sticker price
★  packing slip
★  official receipt
★  msrp price
★  request money paypal
★  bill of sale
★  tax invoice
★  statement difference
★  voucher
  estimate
  sales order
  delivery note
  quotation
  po
  dealer cost
  in the invoice
  invoice
  credit memo
  debit memo
  receipts
  packing list
  bill of lading
  factory invoice
  debit note
  credit note
  wholesale
  application for payment
  work order
  sales invoice

Your alternative for invoice is not listed? Suggest!
Speaking about invoice, one probably shouldn't forget about vat.

Other search terms related to invoice and their ratings are:
★★★★★ vat
★★★★ po
★★★★ gst
★★★ abn
★ quickbooks
shipping label
remittance slip
You have in mind a companion for invoice and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of invoice in all years. Click on graph for more.
invoice
receipt
statement