U.S.A. vs Ct.

U.S.A. and Ct. both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.A.	Yes	No	No	No
Ct.	Yes	No	No	No

U.S.A. (noun)	Ct. (noun)
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776	a New England state; one of the original 13 colonies