Jutting pieces are protruding parts or structures that extend out from a surface or body. Synonyms for jutting pieces include protrusions, projections, bulges, bumps, lumps, knobs, horns, spurs, and spikes. These terms can be used interchangeably to describe various shapes and sizes of jutting pieces. For instance, a protrusion can be a small bump or a larger bulge, while a knob can be a rounded jutting piece that's easy to grip or turn. Similarly, a spike can be a sharp, pointed protrusion, while a spur can be a short, stubby projection. Overall, these synonyms offer a variety of ways to describe jutting pieces depending on their appearance and function.