| smudge(noun, mark, spot, stain, flaw) |
| snag(noun, mark, spot, stain, flaw) |
| sore(noun, bump, lump, injury, enlargement) |
| speck(noun, mark, spot, stain, flaw) |
| speckle(noun, mark, spot, stain, flaw) |
| spot(noun, mark, stain, flaw, imperfection) |
| stain(noun, mark, spot, flaw, imperfection) |
| stigma(noun, mark, spot, stain, flaw) |
| stringy knot(expression, idiom) |
| superfluity(noun, swell, lump, excess, swelling) |
| swollen object(noun, expression, swell, lump, excess) |
| taint(noun, mark, spot, stain, flaw) |
| tarnish(noun, mark, spot, stain, flaw) |
| toggle |
| tooth(noun, convexity) |
| tumefaction(noun, swell, lump, excess, enlargement) |
| tumor(noun, increase, swell, growth, head) |
| vice(noun, mark, spot, stain, flaw) |
| wale(noun, bump, lump, injury, enlargement) |
| weal(noun, bump, lump, injury, enlargement) |