contumacy vs noncompliance

contumacy and noncompliance both are nouns.

Word	Noun	Adjective	Verb	Adverb
contumacy	Yes	No	No	No
noncompliance	Yes	No	No	No

As nouns, noncompliance is a hypernym of contumacy; that is, noncompliance is a word with a broader meaning than contumacy:

contumacy: willful refusal to appear before a court or comply with a court order; can result in a finding of contempt of court
noncompliance: the failure to obey

Other hypernyms of contumacy include disobedience.

contumacy (noun)	noncompliance (noun)
willful refusal to appear before a court or comply with a court order; can result in a finding of contempt of court	the failure to obey
obstinate rebelliousness and insubordination; resistance to authority