damascus

As a proper noun damascus

is the capital city of syria.

As an adjective undefined is

lacking a definition or value.

As proper nouns the difference between damascus and houston

is that damascus is the capital city of syria while houston is (habitational).

As a noun apricot

is a round sweet and juicy stone fruit, resembling peach or plum in taste, with a yellow-orange flesh, lightly fuzzy skin and a large seed inside.

As an adjective apricot

is of a pale yellowish-orange colour, like that of an apricot.

As a proper noun Damascus is

the capital city of Syria.