responsibility vs province

responsibility and province both are nouns.

Word	Noun	Adjective	Verb	Adverb
responsibility	Yes	No	No	No
province	Yes	No	No	No

As nouns, responsibility and province are synonyms defined as:

responsibility and province: the proper sphere or extent of your activities

responsibility (noun)	province (noun)
the social force that binds you to the courses of action demanded by that force	the territory occupied by one of the constituent administrative districts of a nation
a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct	the proper sphere or extent of your activities
the proper sphere or extent of your activities