Mahgrib vs Greater Maghreb

Mahgrib and Greater Maghreb both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mahgrib	Yes	No	No	No
Greater Maghreb	Yes	No	No	No

As nouns, Mahgrib and Greater Maghreb are synonyms defined as:

Mahgrib and Greater Maghreb: the region of northwest Africa comprising the Atlas Mountains and the coastlands of Morocco and Algeria and Tunisia

Other synonyms of Mahgrib include Maghreb.

Mahgrib (noun)	Greater Maghreb (noun)
the region of northwest Africa comprising the Atlas Mountains and the coastlands of Morocco and Algeria and Tunisia	the region of northwest Africa comprising the Atlas Mountains and the coastlands of Morocco and Algeria and Tunisia