lick vs salt lick

lick and salt lick both are nouns.

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

As nouns, lick and salt lick are synonyms defined as:

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

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