WY vs Wyo.

WY and Wyo. both are nouns.

Word	Noun	Adjective	Verb	Adverb
WY	Yes	No	No	No
Wyo.	Yes	No	No	No

As nouns, WY and Wyo. are synonyms defined as:

WY and Wyo.: a state in the western United States; mountainous in the west and north with the Great Plains in the east

Other synonyms of WY include Equality State, Wyoming.

WY (noun)	Wyo. (noun)
a state in the western United States; mountainous in the west and north with the Great Plains in the east	a state in the western United States; mountainous in the west and north with the Great Plains in the east