The term BANKBOOK ABBR. is an abbreviation for a bankbook, which is a record of financial transactions between a customer and a bank. The crossword solutions for this term are DEP (3 letters), BALANCES (8 letters), DEPOSITS (8 letters), DISCREPANCY (11 letters), INT (3 letters), and ACCT (4 letters). DEP stands for deposits, BALANCES stands for the amount of money in an account, DEPOSITS stands for the amount of money put into an account, DISCREPANCY stands for a difference between two amounts, INT stands for interest, and ACCT stands for account.