Astronauts Rhymes 10 Words Rhyme With Astronauts Add Astronauts to Favorites Copy Definition Thesaurus One-Syllable Rhymes 2 naughts, thoughts Two-Syllable Rhymes 1 onslaughts Three-Syllable Rhymes 7 aeronauts, afterthoughts, aquanauts, astronauts, cosmonauts, juggernauts, oceanauts