/ Thesaurus / I Synonyms of interchangeableness Find synonyms for: Noun1. exchangeability, interchangeability, interchangeableness, fungibility, changeableness, changeabilityusage: the quality of being capable of exchange or interchangeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language