daub vs smudge

daub and smudge both are nouns.

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

As nouns, daub and smudge are synonyms defined as:

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

daub (noun)	smudge (noun)
an unskillful painting	a blemish made by dirt
a blemish made by dirt	a smoky fire to drive away insects
material used to daub walls

daub (verb)	smudge (verb)
cover (a surface) by smearing (a substance) over it	make a smudge on; soil by smudging
coat with plaster
apply to a surface