Difference between Insubordinate and Contumacious

INSUBORDINATE vs CONTUMACIOUS: ADJECTIVE

Contemptuous of authority; willfully disobedient; rebellious.
Willfully disobedient to the summons or orders of a court.
Exhibiting contumacy; contemning authority; obstinate; perverse; stubborn; disobedient.
Obstinately disobedient or rebellious; insubordinate.
Wilfully obstinate; stubbornly disobedient

Stubbornly disobedient
Wilfully obstinate
Specifically In law, wilfully disobedient to a lawful order of a judicial or legislative body, or showing wilful contempt of its authority.
Headstrong; insolent; hence, resisting legitimate authority, whether civil, ecclesiastical, military, or parental; stubbornly disobedient or rebellious: as, a contumacious child.

Undisciplined, Discourteous, Arrogant, Disrespectful, Unprofessional, Disloyal, Insidious, Resistant, Resistive, Defiant, Rebellious, Unruly, Mutinous, Contumacious, Disobedient

Boorish, Vindictive, Impious, Arrogant, Wanton, Contumelious, Unbecoming, Impertinent, Discourteous, Willful, Insolent, Obstinate, Contemptuous, Ornery, Insubordinate

Undisciplined, Discourteous, Arrogant, Disrespectful, Unprofessional, Disloyal, Insidious, Resistant, Resistive, Defiant, Rebellious, Unruly, Mutinous, Contumacious, Disobedient

Boorish, Vindictive, Impious, Arrogant, Wanton, Contumelious, Unbecoming, Impertinent, Discourteous, Willful, Insolent, Obstinate, Contemptuous, Ornery, Insubordinate

Let me tell you how compassionate this agency is with regard to insubordinate judges.
Some thought his attitude bordered on insubordinate and that he should have been arrested.
But society cannot ignore its legitimate concept of justice for such an insubordinate member.
PMAP to do personal work for LCDR Darwin is careless, inappropriate or insubordinate.
If an employee refuses to follow your instructions, that is being insubordinate.
Got damned insubordinate about it, tiny forks of lightning fizzing inside them.
Dismissal of sanitation manfrom county health department for insubordinate speech anddisruptive conduct.
They all said I was an insubordinate or a bad influence.
Zimbardo replied that he was the most rebellious, insubordinate prisoner.
Odd and rude, maybe, but not necessarily insubordinate.

If you have not paid up to date by the end of that time, your contumacious position will be reviewed for possible extended commitment.
Contumacious conduct; failure or refusal to appear or obey the rulings of the Commission.
Speaker and on the subject of contumacious witnesses, was held in order as a communication of high privilege.
Presumption of Concubinage Contumacious clerics were those who stubbornly refused to obey their ordinary in these matters.
This would probably be true, for example, where the contumacious conduct is a refusal to testify.
The Commission found no evidence of a clear delay or contumacious conduct by Complainant.
Collins did not engage ina clear record of delay or contumacious conduct.
The process against Peter de Luna, who is deemed contumacious, continues.
All Nations sometimes contumacious conduct, particularly with regard to mediation.
Complainant purposely engaged in delay or contumacious conduct.