Nouns

(n)bit, chip, flake, fleck, scrapa small fragment of something broken off from the whole“a bit of rock caught him in the eye”
(n)spot, speckle, dapple, patch, fleck, maculationa small contrasting part of something“a bald spot”, “a leopard's spots”, “a patch of clouds”, “patches of thin ice”, “a fleck of red”

Verbs

(v)spot, fleck, blob, blotmake a spot or mark onto“The wine spotted the tablecloth”