market vs shelf

market and shelf both are nouns.

Word	Noun	Adjective	Verb	Adverb
market	Yes	No	Yes	No
shelf	Yes	No	No	No

market (noun)	shelf (noun)
the world of commercial activity where goods and services are bought and sold	a support that consists of a horizontal surface for holding objects
a marketplace where groceries are sold	a projecting ridge on a mountain or submerged under water
an area in a town where a public mercantile establishment is set up
the customers for a particular product or service
the securities markets in the aggregate

market (verb)	shelf (verb)
make commercial
engage in the commercial promotion, sale, or distribution of
deal in a market
buy household supplies