contract vs expand

contract is a noun but expand is not a noun.

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

contract (noun)	expand (noun)
a variety of bridge in which the bidder receives points toward game only for the number of tricks he bid
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)	expand (verb)
be stricken by an illness, fall victim to an illness	grow vigorously
make or become more narrow or restricted	exaggerate or make bigger
become smaller or draw together	become larger in size or volume or quantity
reduce in scope while retaining essential elements	expand the influence of
compress or concentrate	make bigger or wider in size, volume, or quantity
enter into a contractual arrangement	add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
make smaller	extend in one or more directions
squeeze or press together
engage by written agreement