suck vs sponge up

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

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

As verbs, sponge up is a hyponym of suck; that is, sponge up is a word with a more specific, narrower meaning than suck:

Other hyponyms of suck include mop, mop up, wipe up, blot.

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

suck (verb)	sponge up (verb)
give suck to	absorb as if with a sponge
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.