contract vs contractor

contract and contractor both are nouns.

Word	Noun	Adjective	Verb	Adverb
contract	Yes	No	Yes	No
contractor	Yes	No	No	No

contract (noun)	contractor (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid	a bodily organ that contracts
a binding agreement between two or more persons that is enforceable by law	someone (a person or firm) who contracts to build things
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make	(law) a party to a contract
	the bridge player in contract bridge who wins the bidding and can declare which suit is to be trumps

contract (verb)	contractor (verb)
be stricken by an illness, fall victim to an illness
make or become more narrow or restricted
become smaller or draw together
reduce in scope while retaining essential elements
compress or concentrate
enter into a contractual arrangement
make smaller
squeeze or press together
engage by written agreement