Blot
Part of speech: noun
Definition: A blemish, spot or stain made by a coloured substance. A stain on someone's reputation or character; a disgrace. The Southern blot analysis (and derived Northern and Western) analytical techniques. an exposed piece in backgammon.
Part of speech: verb
Definition: to cause a blot (on something) by spilling a coloured substance to soak up, or absorb liquid to hide, obscure or obliterate something
Smudge
Part of speech: noun
Definition: A blemish; a smear.Dense smoke, such as that used for fumigation.
Part of speech: verb
Definition: To obscure by blurring; to smear.To soil or smear with dirt.To use dense smoke to protect from insects.