dishonourable vs unprincipled

dishonourable and unprincipled both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dishonourable	No	Yes	No	No
unprincipled	No	Yes	No	No

dishonourable (adjective)	unprincipled (adjective)
lacking honor or integrity; deserving dishonor	lacking principles or moral scruples
	having little or no integrity