1. Synonyms for Bumpiness include lumpiness, roughness, unevenness, coarseness, jaggedness, irregularity, raggedness, shagginess, bristliness and crudity

2. Hypernyms ("Bumpiness" is a kind of): raggedness; roughness (a texture of a surface or edge that is not smooth but is irregular and uneven)

3. Hypernyms ("Abrasiveness" is a kind of): raggedness; roughness (a texture of a surface or edge that is not smooth but is irregular and uneven) Derivation: abrasive (causing abrasion) Sense 2

4. Bumpiness - the texture of a surface that has many bumps raggedness, roughness - a texture of a surface or edge that is not smooth but is irregular and uneven Based on WordNet 3.0, Farlex clipart collection