A participating mortgage is a type of loan that allows lenders to share in the profits of the property being funded. It is a type of mortgage that allows borrowers to share the risk and benefits of the property they are buying. However, there are some synonyms for the word "participating mortgage" which can be used interchangeably. Some of these synonyms include profit-sharing mortgages, shared equity mortgages, joint-participation mortgages, shared appreciation mortgages, and equity-sharing mortgages. These synonyms essentially mean the same thing and are used to describe any mortgage in which one or more parties share both the risks and rewards of a property purchase.