Real Estate and Mortgage Terminology Glossary. Look up any term or phrase and learn it's definition! A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z This glossary is an extensive listing of real estate and mortgage terms that you can use when working with your Fannie Mae-approved lender to help find the Fannie Mae mortgage that's right for you. To get started, click on the appropriate letter above for a listing of all the terms that begin with that letter. Then, locate the word you are looking for.