Philistia vs geographic region

Philistia and geographic region both are nouns.

Word	Noun	Adjective	Verb	Adverb
Philistia	Yes	No	No	No
geographic region	Yes	No	No	No

Philistia (noun)	geographic region (noun)
an ancient region on the coast of southwestern Palestine that was strategically located on a trade route between Syria and Egypt; important in biblical times	a demarcated area of the Earth