how is a debenture different from a bond 
a debenture is a type of bond in particular it is an unsecured or non collateralized debt issued by a firm or other entity and usually refers to such bonds with longer maturities secured bonds are backed by some sort of collateral in the form of property securities or other assets that can be seized to repay creditors in the event of a default unsecured debentures have no such collateralization making them relatively riskier 