Porch and Sunroom

Porch noun - A covered structure adjoining an entrance to a building.

Sunroom and porch are semantically related. In some cases you can use "Sunroom" instead a noun "Porch".

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

Porch and sunroom are semantically related. You can use "Porch" instead a noun "Sunroom".