contract vs choke

contract and choke both are nouns.

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

As verbs, choke is a hyponym of contract; that is, choke is a word with a more specific, narrower meaning than contract:

Other hyponyms of contract include strangle, prim, astringe, strangulate, convulse, convulse, bear down, overbear, fret, gag, scrag.

contract (noun)	choke (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid	a valve that controls the flow of air into the carburetor of a gasoline engine
a binding agreement between two or more persons that is enforceable by law	a coil of low resistance and high inductance used in electrical circuits to pass direct current and attenuate alternating current
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make

contract (verb)	choke (verb)
be stricken by an illness, fall victim to an illness	breathe with great difficulty, as when experiencing a strong emotion
make or become more narrow or restricted	cause to retch or choke
become smaller or draw together	struggle for breath; have insufficient oxygen intake
reduce in scope while retaining essential elements	constrict (someone's) throat and keep from breathing
compress or concentrate	reduce the air supply
enter into a contractual arrangement	pass from physical life and lose all bodily attributes and functions necessary to sustain life
make smaller	suppress the development, creativity, or imagination of
squeeze or press together	become stultified, suppressed, or stifled
engage by written agreement	be too tight; rub or press
	become or cause to become obstructed
	wring the neck of
	impair the respiration of or obstruct the air passage of
	check or slow down the action or effect of
	fail to perform adequately due to tension or agitation