protuberance (n.)
- boldness
- bulge
- embossment
- eminence
- excrescence
- extrusion
- feel
- finish
- gibbosity
- gibbousness
- grain
- indentation
- jut
- nap
- nub
- pile
- pit
- pock
- projection
- prominence
- protrusion
- relief
- salience
- salient
- shag
- structure
- surface
- texture
- tuberosity
- wale
- weave
- woof