what is difference between verandah and porch?

veryndah is going back & porch is going after.

Extending from the main structure, a porch is a covered shelter attached to the front of the entrance of a house or building. ... A veranda is Portuguese for porch. It is a roofed, open-air gallery or porch. A veranda is often partly enclosed by a railing and frequently extends across the front and sides of the structure.