lick vs drub

lick is a noun but drub is not a noun.

Word	Noun	Adjective	Verb	Adverb
lick	Yes	No	Yes	No
drub	No	No	Yes	No

As verbs, lick and drub are synonyms defined as:

lick and drub: beat thoroughly and conclusively in a competition or fight

Other synonyms of lick include bat, clobber, cream, thrash.

lick (noun)	drub (noun)
touching with the tongue
(boxing) a blow with the fist
a salt deposit that animals regularly lick

lick (verb)	drub (verb)
find the solution to (a problem or question) or understand the meaning of	beat thoroughly and conclusively in a competition or fight
take up with the tongue
pass the tongue over
beat thoroughly and conclusively in a competition or fight