market vs bear market

market and bear market both are nouns.

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

As nouns, bear market is a hyponym of market; that is, bear market is a word with a more specific, narrower meaning than market:

Other hyponyms of market include bull market, the City, the Street, Wall Street, money market.

market (noun)	bear market (noun)
the world of commercial activity where goods and services are bought and sold	a market characterized by falling prices for securities
a marketplace where groceries are sold
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)	bear market (verb)
make commercial
engage in the commercial promotion, sale, or distribution of
deal in a market
buy household supplies