salt vs salty

salt is a noun but salty is not a noun.

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

salt (noun)	salty (noun)
the taste experience when common salt is taken into the mouth
white crystalline form of especially sodium chloride used to season and preserve food
a compound formed by replacing hydrogen in an acid by a metal (or a radical that acts like a metal)

salt (adjective)	salty (adjective)
(of speech) painful or bitter	containing or filled with salt
	engagingly stimulating or provocative
	one of the four basic taste sensations; like the taste of sea water