contract vs throttle

contract and throttle both are nouns.

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

contract (noun)	throttle (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid	a valve that regulates the supply of fuel to the engine
a binding agreement between two or more persons that is enforceable by law	a pedal that controls the throttle valve
(contract bridge) the highest bid becomes the contract setting the number of tricks that the bidder must make

contract (verb)	throttle (verb)
be stricken by an illness, fall victim to an illness	reduce the air supply
make or become more narrow or restricted	place limits on (extent or amount or access)
become smaller or draw together	kill by squeezing the throat of so as to cut off the air
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