convulse vs contract

convulse is not a noun while contract is a noun.

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

As verbs, contract is a hypernym of convulse; that is, contract is a word with a broader meaning than convulse:

Other hypernyms of convulse include compact, compress, constrict, press, squeeze.

As verbs, contract is a hypernym of convulse; that is, contract is a word with a broader meaning than convulse:

Other hypernyms of convulse include compact, compress, constrict, press, squeeze.

convulse (noun)	contract (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

convulse (verb)	contract (verb)
be overcome with laughter	be stricken by an illness, fall victim to an illness
make someone convulse with laughter	make or become more narrow or restricted
contract involuntarily, as in a spasm	become smaller or draw together
cause to contract	reduce in scope while retaining essential elements
move or stir about violently	compress or concentrate
shake uncontrollably	enter into a contractual arrangement
	make smaller
	squeeze or press together
	engage by written agreement