blot vs daub

blot and daub both are nouns.

Word	Noun	Adjective	Verb	Adverb
blot	Yes	No	Yes	No
daub	Yes	No	Yes	No

As nouns, blot and daub are synonyms defined as:

Other synonyms of blot include slur, smear, smirch, smudge, spot.

blot (noun)	daub (noun)
an act that brings discredit to the person who does it	an unskillful painting
a blemish made by dirt	a blemish made by dirt
	material used to daub walls

blot (verb)	daub (verb)
dry (ink) with blotting paper	cover (a surface) by smearing (a substance) over it
make a spot or mark onto	coat with plaster
	apply to a surface