porch vs veranda

porch and veranda both are nouns.

Word	Noun	Adjective	Verb	Adverb
porch	Yes	No	No	No
veranda	Yes	No	No	No

As nouns, veranda is a hyponym of porch; that is, veranda is a word with a more specific, narrower meaning than porch:

porch: a structure attached to the exterior of a building often forming a covered entrance
veranda: a porch along the outside of a building (sometimes partly enclosed)

Other hyponyms of porch include back porch, deck, front porch, portico, stoep, stoop, gallery, verandah.

porch (noun)	veranda (noun)
a structure attached to the exterior of a building often forming a covered entrance	a porch along the outside of a building (sometimes partly enclosed)