region vs Cynoscephalae

region and Cynoscephalae both are nouns.

Word	Noun	Adjective	Verb	Adverb
region	Yes	No	No	No
Cynoscephalae	Yes	No	No	No

region (noun)	Cynoscephalae (noun)
a part of an animal that has a special function or is supplied by a given artery or nerve	the battle that ended the second Macedonian War (197 BC); the Romans defeated Philip V who lost his control of Greece
a knowledge domain that you are interested in or are communicating about	the fields in Thessaly where in 197 BC the Romans defeated the Macedonians
the extended spatial location of something
a large indefinite location on the surface of the Earth
the approximate amount of something (usually used prepositionally as in `in the region of')