power point vs Britain

power point and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
power point	Yes	No	No	No
Britain	Yes	No	No	No

power point (noun)	Britain (noun)
a wall socket	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