/ Thesaurus / S Synonyms of second mortgage Find synonyms for: Noun1. second mortgage, mortgageusage: a mortgage that is subordinate to a first mortgageWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language