sponge up vs suck

sponge up is not a noun while suck is a noun.

Word	Noun	Adjective	Verb	Adverb
sponge up	No	No	Yes	No
suck	Yes	No	Yes	No

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

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

sponge up (noun)	suck (noun)
	the act of sucking

sponge up (verb)	suck (verb)
absorb as if with a sponge	give suck to
	draw into the mouth by creating a practical vacuum in the mouth
	take in, also metaphorically
	draw something in by or as if by a vacuum
	provide sexual gratification through oral stimulation
	be inadequate or objectionable
	attract by using an inexorable force, inducement, etc.