Bokkeeping or Bookkeeping: How To spell?

The word Bokkeeping is misspelled against Bookkeeping, a noun meaning "The art of recording pecuniary or business transactions in a regular and systematic manner, so as to show their relation to each other, and the state of the business in which they occur; the art of keeping accounts. The books commonly used are a daybook, cashbook, journal, and ledger. See Daybook, Cashbook, Journal, and Ledger."