C and W vs country and western

C and W and country and western both are nouns.

Word	Noun	Adjective	Verb	Adverb
C and W	Yes	No	No	No
country and western	Yes	No	No	No

As nouns, C and W and country and western are synonyms defined as:

C and W and country and western: a simple style of folk music heard mostly in the southern United States; usually played on stringed instruments

Other synonyms of C and W include country music.

C and W (noun)	country and western (noun)
a simple style of folk music heard mostly in the southern United States; usually played on stringed instruments	a simple style of folk music heard mostly in the southern United States; usually played on stringed instruments