mod vs United Kingdom of Great Britain and Northern Ireland

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

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

mod (noun)	United Kingdom of Great Britain and Northern Ireland (noun)
a British teenager or young adult in the 1960s; noted for their clothes consciousness and opposition to the rockers	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

mod (adjective)	United Kingdom of Great Britain and Northern Ireland (adjective)
relating to a recently developed fashion or style