terraced house vs row house

terraced house and row house both are nouns.

Word	Noun	Adjective	Verb	Adverb
terraced house	Yes	No	No	No
row house	Yes	No	No	No

As nouns, row house is a hypernym of terraced house; that is, row house is a word with a broader meaning than terraced house:

terraced house: a house that is part of a terrace
row house: a house that is one of a row of identical houses situated side by side and sharing common walls

Other hypernyms of terraced house include town house.

terraced house (noun)	row house (noun)
a house that is part of a terrace	a house that is one of a row of identical houses situated side by side and sharing common walls