smirch vs mar

smirch and mar both are nouns.

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

As nouns, mar is a hypernym of smirch; that is, mar is a word with a broader meaning than smirch:

smirch: a blemish made by dirt
mar: a mark or flaw that spoils the appearance of something (especially on a person's body)

Other hypernyms of smirch include blemish, defect.

smirch (noun)	mar (noun)
an act that brings discredit to the person who does it	a mark or flaw that spoils the appearance of something (especially on a person's body)
a blemish made by dirt

smirch (verb)	mar (verb)
charge falsely or with malicious intent; attack the good name and reputation of someone	destroy or injure severely
smear so as to make dirty or stained	make imperfect