gymslip vs Great Britain

gymslip and Great Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
gymslip	Yes	No	No	No
Great Britain	Yes	No	No	No

gymslip (noun)	Great Britain (noun)
a sleeveless tunic worn by English girls as part of a school uniform	an island comprising England and Scotland and Wales
	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom