besmirch vs smirch

besmirch is not a noun while smirch is a noun.

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

As verbs, besmirch and smirch are synonyms defined as:

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

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

As verbs, besmirch and smirch are synonyms defined as:

besmirch (noun)	smirch (noun)
	an act that brings discredit to the person who does it
	a blemish made by dirt

besmirch (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
smear so as to make dirty or stained	smear so as to make dirty or stained