non vult vs answer

non vult and answer both are nouns.

Word	Noun	Adjective	Verb	Adverb
non vult	Yes	No	No	No
answer	Yes	No	Yes	No

As nouns, answer is a hypernym of non vult; that is, answer is a word with a broader meaning than non vult:

non vult: (law) an answer of `no contest' by a defendant who does not admit guilt but that subjects him to conviction
answer: the principal pleading by the defendant in response to plaintiff's complaint; in criminal law it consists of the defendant's plea of `guilty' or `not guilty' (or nolo contendere); in civil law it must contain denials of all allegations in the plaintiff's complaint that the defendant hopes to controvert and it can contain affirmative defenses or counterclaims

non vult (noun)	answer (noun)
(law) an answer of `no contest' by a defendant who does not admit guilt but that subjects him to conviction	a nonverbal reaction
	the speech act of replying to a question
	a statement (either spoken or written) that is made to reply to a question or request or criticism or accusation
	a statement that solves a problem or explains how to solve the problem
	the principal pleading by the defendant in response to plaintiff's complaint; in criminal law it consists of the defendant's plea of `guilty' or `not guilty' (or nolo contendere); in civil law it must contain denials of all allegations in the plaintiff's complaint that the defendant hopes to controvert and it can contain affirmative defenses or counterclaims

non vult (verb)	answer (verb)
	give the correct answer or solution to
	respond to a signal
	understand the meaning of
	react to a stimulus or command
	react verbally
	give a defence or refutation of (a charge) or in (an argument)
	be satisfactory for; meet the requirements of or serve the purpose of
	match or correspond
	be liable or accountable
	be sufficient; be adequate, either in quality or quantity