blot vs take up

blot is a noun but take up is not a noun.

Word	Noun	Adjective	Verb	Adverb
blot	Yes	No	Yes	No
take up	No	No	Yes	No

As verbs, take up is a hypernym of blot; that is, take up is a word with a broader meaning than blot:

Other hypernyms of blot include absorb, draw, imbibe, soak up, sop up, suck, suck up, take in.

blot (noun)	take up (noun)
an act that brings discredit to the person who does it
a blemish made by dirt

blot (verb)	take up (verb)
dry (ink) with blotting paper	pursue or resume
make a spot or mark onto	return to a previous location or condition
	adopt
	take up as if with a sponge
	take out or up with or as if with a scoop
	accept
	take in, also metaphorically
	take up a liquid or a gas either by adsorption or by absorption
	occupy or take on
	take up and practice as one's own
	begin work or acting in a certain capacity, office or job
	turn one's interest to
	take up time or space