contract vs contraction

contract and contraction both are nouns.

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

contract (noun)	contraction (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid	the act of decreasing (something) in size or volume or quantity or scope
a binding agreement between two or more persons that is enforceable by law	(physiology) a shortening or tensing of a part or organ (especially of a muscle or muscle fiber)
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make	a word formed from two or more words by omitting or combining some sounds
	the process or result of becoming smaller or pressed together

contract (verb)	contraction (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