Hartford vs capital of Connecticut

Hartford and capital of Connecticut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hartford	Yes	No	No	No
capital of Connecticut	Yes	No	No	No

As nouns, Hartford and capital of Connecticut are synonyms defined as:

Hartford and capital of Connecticut: the state capital of Connecticut; located in central Connecticut on the Connecticut river; a center of the insurance business

Hartford (noun)	capital of Connecticut (noun)
the state capital of Connecticut; located in central Connecticut on the Connecticut river; a center of the insurance business	the state capital of Connecticut; located in central Connecticut on the Connecticut river; a center of the insurance business