U.S. vs totem

U.S. and totem both are nouns.

Word	Noun	Adjective	Verb	Adverb
U.S.	Yes	No	No	No
totem	Yes	No	No	No

U.S. (noun)	totem (noun)
the executive and legislative and judicial branches of the federal government of the United States	emblem consisting of an object such as an animal or plant; serves as the symbol of a family or clan (especially among American Indians)
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 clan or tribe identified by their kinship to a common totemic object