fingerprint vs blot

fingerprint and blot both are nouns.

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

As nouns, blot is a hypernym of fingerprint; that is, blot is a word with a broader meaning than fingerprint:

Other hypernyms of fingerprint include daub, slur, smear, smirch, smudge, spot.

fingerprint (noun)	blot (noun)
a smudge made by a (dirty) finger	an act that brings discredit to the person who does it
a generic term for any identifying characteristic	a blemish made by dirt
a print made by an impression of the ridges in the skin of a finger; often used for biometric identification in criminal investigations

fingerprint (verb)	blot (verb)
take an impression of a person's fingerprints	dry (ink) with blotting paper
	make a spot or mark onto