smear vs smirch

smear and smirch both are nouns.

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

As nouns, smear and smirch are synonyms defined as:

smear and smirch: an act that brings discredit to the person who does it

Other synonyms of smear include blot, spot, stain.

As nouns, smear and smirch are synonyms defined as:

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

As verbs, smear and smirch are synonyms defined as:

smear and smirch: charge falsely or with malicious intent; attack the good name and reputation of someone

Other synonyms of smear include asperse, besmirch, calumniate, defame, denigrate, slander, sully.

As verbs, smirch is a hyponym of smear; that is, smirch is a word with a more specific, narrower meaning than smear:

Other hyponyms of smear include moil, besmirch.

smear (noun)	smirch (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

smear (verb)	smirch (verb)
charge falsely or with malicious intent; attack the good name and reputation of someone	charge falsely or with malicious intent; attack the good name and reputation of someone
make a smudge on; soil by smudging	smear so as to make dirty or stained
stain by smearing or daubing with a dirty substance
cover (a surface) by smearing (a substance) over it