/ Thesaurus / T Synonyms of tetrao Find synonyms for: Noun1. Tetrao, genus Tetrao, bird genususage: type genus of the Tetraonidae: capercailliesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language