GB vs Scotland

GB and Scotland both are nouns.

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

GB (noun)	Scotland (noun)
an island comprising England and Scotland and Wales	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
a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes
a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes
a highly toxic chemical nerve agent that inhibits the activity of cholinesterase