work vs lick

work and lick both are nouns.

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

As verbs, work and lick are synonyms defined as:

work and lick: find the solution to (a problem or question) or understand the meaning of

Other synonyms of work include figure out, puzzle out, solve, work out.

work (noun)	lick (noun)
activity directed toward making or doing something	touching with the tongue
the occupation for which you are paid	(boxing) a blow with the fist
a product produced or accomplished through the effort or activity or agency of a person or thing	a salt deposit that animals regularly lick
a place where work is done
the total output of a writer or artist (or a substantial part of it)
applying the mind to learning and understanding a subject (especially by reading)
(physics) a manifestation of energy; the transfer of energy from one physical system to another expressed as the product of a force and the distance through which it moves a body in the direction of that force

work (verb)	lick (verb)
give a workout to	find the solution to (a problem or question) or understand the meaning of
arrive at a certain condition through repeated motion	take up with the tongue
go sour or spoil	pass the tongue over
cause to undergo fermentation	beat thoroughly and conclusively in a competition or fight
find the solution to (a problem or question) or understand the meaning of
use or manipulate to one's advantage
to mix into a homogeneous mass
perform as expected when applied
move into or onto
shape, form, or improve a material
cause to happen or to occur as a consequence
prepare for crops
make something, usually for a specific function
gratify and charm, usually in order to influence
proceed along a path
move in an agitated manner
provoke or excite
be employed
cause to work
exert oneself by doing mental or physical work for a purpose or out of necessity; work
have an effect or outcome; often the one desired or expected
operate in a certain place, area, or specialty
proceed towards a goal or along a path or through an activity
have and exert influence or effect
operate in or through
cause to operate or function
behave in a certain way when handled