mop up vs worst

mop up and worst both are nouns.

Word	Noun	Adjective	Verb	Adverb
mop up	Yes	No	Yes	No
worst	Yes	Yes	Yes	Yes

As verbs, mop up and worst are synonyms defined as:

Other synonyms of mop up include pip, rack up, whip.

mop up (noun)	worst (noun)
a concluding action	the weakest effort or poorest achievement one is capable of
	the greatest damage or wickedness of which one is capable
	the least favorable outcome

mop up (adjective)	worst (adjective)
	(superlative of `bad') most wanting in quality or value or condition

mop up (verb)	worst (verb)
finish a task completely	defeat thoroughly
defeat thoroughly
to wash or wipe with or as if with a mop

mop up (adverb)	worst (adverb)
	to the highest degree of inferiority or badness