blot

nouns

a blemish made by dirt
"he had a smudge on his cheek"
an act that brings discredit to the person who does it
"he made a huge blot on his copybook"

verbs

dry (ink) with blotting paper
is derived from
is a type of (narrower)
take in, also metaphorically
"The sponge absorbs water well"; "She drew strength from the minister's words"
make a spot or mark onto
"The wine spotted the tablecloth"