dutiful vs duteous

dutiful and duteous both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dutiful	No	Yes	No	No
duteous	No	Yes	No	No

As adjectives, dutiful and duteous are synonyms defined as:

dutiful and duteous: willingly obedient out of a sense of duty and respect

dutiful (adjective)	duteous (adjective)
willingly obedient out of a sense of duty and respect	willingly obedient out of a sense of duty and respect