Sturdiness First-Syllable Rhymes 18 Rhymes Found Add Sturdiness to Favorites Definition Thesaurus One-Syllable Rhymes 1 stir Two-Syllable Rhymes 12 sterling sternum sternums stirrer stirrers stirring stirrup stirrups sturdies sturdy sturgeon sturgeons Three-Syllable Rhymes 5 stir-crazy stirringly sturdier sturdiest sturdiness