blot vs fingermark

blot and fingermark both are nouns.

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

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

Other hyponyms of blot include blotch, splodge, splotch, fingerprint, inkblot.

blot (noun)	fingermark (noun)
an act that brings discredit to the person who does it	a smudge made by a (dirty) finger
a blemish made by dirt

blot (verb)	fingermark (verb)
dry (ink) with blotting paper
make a spot or mark onto