dealer vs dealership

dealer and dealership both are nouns.

Word	Noun	Adjective	Verb	Adverb
dealer	Yes	No	No	No
dealership	Yes	No	No	No

dealer (noun)	dealership (noun)
a firm engaged in trading	a business established or operated under an authorization to sell or distribute a company's goods or services in a particular area
a seller of illicit goods
the person who distributes the playing cards in a card game
someone who purchases and maintains an inventory of goods to be sold
the major party to a financial transaction at a stock exchange; buys and sells for his own account