contract vs reserve clause

contract and reserve clause both are nouns.

Word	Noun	Adjective	Verb	Adverb
contract	Yes	No	Yes	No
reserve clause	Yes	No	No	No

contract (noun)	reserve clause (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid	a clause that used to be part of the contract with a professional athlete extending the contract for a year beyond its expiration
a binding agreement between two or more persons that is enforceable by law
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make

contract (verb)	reserve clause (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