perch vs UK

perch and UK both are nouns.

Word	Noun	Adjective	Verb	Adverb
perch	Yes	No	Yes	No
UK	Yes	No	No	No

perch (noun)	UK (noun)
spiny-finned freshwater food and game fishes	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
any of numerous spiny-finned fishes of various families of the order Perciformes
support consisting of a branch or rod that serves as a resting place (especially for a bird)
any of numerous fishes of America and Europe
an elevated place serving as a seat
a linear measure of 16.5 feet
a square rod of land