capital of Hawaii vs Honolulu

capital of Hawaii and Honolulu both are nouns.

Word	Noun	Adjective	Verb	Adverb
capital of Hawaii	Yes	No	No	No
Honolulu	Yes	No	No	No

As nouns, capital of Hawaii and Honolulu are synonyms defined as:

capital of Hawaii and Honolulu: the capital and largest city of Hawaii; located on a large bay on the island of Oahu

Other synonyms of capital of Hawaii include Hawaiian capital.

capital of Hawaii (noun)	Honolulu (noun)
the capital and largest city of Hawaii; located on a large bay on the island of Oahu	the capital and largest city of Hawaii; located on a large bay on the island of Oahu