Scotland vs Caledonia

Scotland and Caledonia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Scotland	Yes	No	No	No
Caledonia	Yes	No	No	No

Scotland (noun)	Caledonia (noun)
one of the four countries that make up the United Kingdom of Great Britain and Northern Ireland; located on the northern part of the island of Great Britain; famous for bagpipes and plaids and kilts	the geographical area (in Roman times) to the north of the Antonine Wall; now a poetic name for Scotland