Palatine Hill vs Seven Hills of Rome

Palatine Hill and Seven Hills of Rome both are nouns.

Word	Noun	Adjective	Verb	Adverb
Palatine Hill	Yes	No	No	No
Seven Hills of Rome	Yes	No	No	No

Palatine Hill (noun)	Seven Hills of Rome (noun)
the most important of the Seven Hills of Rome; supposedly the location of the first settlement and the site of many imperial palaces	the hills on which the ancient city of Rome was built