mar vs blot

mar and blot both are nouns.

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

As nouns, blot is a hyponym of mar; that is, blot is a word with a more specific, narrower meaning than mar:

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

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

mar (verb)	blot (verb)
destroy or injure severely	dry (ink) with blotting paper
make imperfect	make a spot or mark onto