Blemish

Words related to a blemish: something small and bad on the skin of a person or the surface of something, but not something serious, especially something wrong that does not affect how something works.

• What words refer to a blemish in something?
  blemish blot dapple excrescence freckle mole pimple speck speckle small fault
• What words describe something that has a blemish on it?
  blemished defaced marred