Bluegrass and C and W

Bluegrass noun - A type of country music played at a rapid tempo on banjos and guitars.

C and W and bluegrass are semantically related. In some cases you can use "C and W" instead a noun "Bluegrass".

C and W noun - A simple style of folk music heard mostly in the southern United States; usually played on stringed instruments.

Bluegrass and C and W are semantically related. Sometimes you can replace term "Bluegrass" with "C and W", this terms are similar.