Sunroom and Sun porch

Sunroom noun - A room enclosed largely with glass and affording exposure to the sun.

Sun porch is a synonym for sunroom. In some cases you can use "Sun porch" instead a noun "Sunroom".

Sun porch noun - A room enclosed largely with glass and affording exposure to the sun.

Sunroom is a synonym for sun porch. You can use "Sunroom" instead a noun phrase "Sun porch".