blot vs smear

blot and smear both are nouns.

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

As nouns, blot and smear are synonyms defined as:

Other synonyms of blot include smirch, spot, stain.

As nouns, blot and smear are synonyms defined as:

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

blot (noun)	smear (noun)
an act that brings discredit to the person who does it	an act that brings discredit to the person who does it
a blemish made by dirt	a blemish made by dirt
	a thin tissue or blood sample spread on a glass slide and stained for cytologic examination and diagnosis under a microscope
	slanderous defamation

blot (verb)	smear (verb)
dry (ink) with blotting paper	charge falsely or with malicious intent; attack the good name and reputation of someone
make a spot or mark onto	make a smudge on; soil by smudging
	stain by smearing or daubing with a dirty substance
	cover (a surface) by smearing (a substance) over it