a small round mark on a surface; a dirty mark; a small drop (of liquid); a particular place; to recognize or notice (a person, thing) suddenly; to mark something with spots
mark, stain
Cases of word usage
1) a small spot or patch; a small particle (of dust etc) (fleck)
2) a small light-brown spot in the human skin (freckle)
3) a small, dark spot on the human skin; a small, dark-grey fur-covered animal living in tunnels (or burrows) (mole)
4) a very small sport or piece (of dirt etc); a small visible spot (speck)