soak up vs sop up

soak up and sop up both are verbs.

Word	Noun	Adjective	Verb	Adverb
soak up	No	No	Yes	No
sop up	No	No	Yes	No

As verbs, soak up and sop up are synonyms defined as:

Other synonyms of soak up include absorb, draw, imbibe, suck, suck up, take in, take up.

soak up (verb)	sop up (verb)
devote (oneself) fully to	take up as if with a sponge
take in, also metaphorically	take in, also metaphorically