Here's what rhymes with collateral.

Consider these alternatives

borrower / follower borrowers / followers repay / day guarantee / be loan / own insure / full lenders / members borrow / sorrow subprime / time defaulted / exalted borrowings / followings guarantees / these cash / as defaults / towards lend / end insuring / during default / called promissory / story foreclose / those liabilities / abilities minimize / size borrowing / sorrowing liquidated / dated debt / said