contumacious vs insubordinate

contumacious and insubordinate both are adjectives.

Word	Noun	Adjective	Verb	Adverb
contumacious	No	Yes	No	No
insubordinate	No	Yes	No	No

contumacious (adjective)	insubordinate (adjective)
wilfully obstinate; stubbornly disobedient	not submissive to authority
	disposed to or engaged in defiance of established authority