"Nuciform" is a term that describes something that is shaped like a nut or resembling a kernel. Some synonyms for this word could include oval, oblong, ellipsoid, capsule, or acorn-shaped. Additional options might include nutlike, seed-shaped, kernel-shaped, or nutty in shape. Depending on context, other synonyms that could be suitable might include globular, orbicular, spheroid, or ball-shaped. Whatever the specific term used, these words all convey a similar idea of a shape that is compact, rounded, and often compared to the size and shape of a nut.