sterling area vs sterling bloc

sterling area and sterling bloc both are nouns.

Word	Noun	Adjective	Verb	Adverb
sterling area	Yes	No	No	No
sterling bloc	Yes	No	No	No

As nouns, sterling area and sterling bloc are synonyms defined as:

sterling area and sterling bloc: the group of countries whose currencies are tied to the British pound sterling

Other synonyms of sterling area include scheduled territories.

sterling area (noun)	sterling bloc (noun)
the group of countries whose currencies are tied to the British pound sterling	the group of countries whose currencies are tied to the British pound sterling