SSMG vs UK

SSMG and UK both are nouns.

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

SSMG (noun)	UK (noun)
a one-time benefit payable for each child expected, born, or adpoted.	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