U.S. vs Senna alata

U.S. and Senna alata both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
Senna alata	Yes	No	No	No

U.S. (noun)	Senna alata (noun)
the executive and legislative and judicial branches of the federal government of the United States	tropical shrub (especially of Americas) having yellow flowers and large leaves whose juice is used as a cure for ringworm and poisonous bites; sometimes placed in genus Cassia
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