/ Thesaurus / F Synonyms of family spirochaetaceae Find synonyms for: Noun1. Spirochaetaceae, family Spirochaetaceae, bacteria familyusage: large coarsely spiral bacteria; free-living in fresh or salt water or commensal in bodies of oystersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language