The crossword solutions for the term SECONDARY; PARALLEL are COLLATERAL (10 letters). COLLATERAL is a term used in finance and banking to refer to an asset that is pledged as security for a loan. It is a secondary source of repayment in case the borrower defaults on the loan. COLLATERAL can also be used to secure a line of credit or other financial agreement. In addition, COLLATERAL can be used to secure a parallel loan, which is a loan that is taken out at the same time as another loan.