conservancy vs Britain

conservancy and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
conservancy	Yes	No	No	No
Britain	Yes	No	No	No

conservancy (noun)	Britain (noun)
the official conservation of trees and soil and rivers etc.	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
a commission with jurisdiction over fisheries and navigation in a port or river