terrace vs United Kingdom of Great Britain and Northern Ireland

terrace and United Kingdom of Great Britain and Northern Ireland both are nouns.

Word	Noun	Adjective	Verb	Adverb
terrace	Yes	No	Yes	No
United Kingdom of Great Britain and Northern Ireland	Yes	No	No	No

terrace (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
usually paved outdoor area adjoining a residence	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 row of houses built in a similar style and having common dividing walls (or the street on which they face)
a level shelf of land interrupting a declivity (with steep slopes above and below)

terrace (verb)	United Kingdom of Great Britain and Northern Ireland (verb)
make into terraces as for cultivation
provide (a house) with a terrace