Revolutionary Organization of Socialist Muslims vs Black September Organization

Revolutionary Organization of Socialist Muslims and Black September Organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
Revolutionary Organization of Socialist Muslims	Yes	No	No	No
Black September Organization	Yes	No	No	No

As nouns, Revolutionary Organization of Socialist Muslims and Black September Organization are synonyms defined as:

Revolutionary Organization of Socialist Muslims and Black September Organization: a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries

Other synonyms of Revolutionary Organization of Socialist Muslims include Abu Nidal Organization, ANO, Arab Revolutionary Brigades, Black September, Fatah-RC, Fatah Revolutionary Council.

Revolutionary Organization of Socialist Muslims (noun)	Black September Organization (noun)
a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries	a Palestinian international terrorist organization that split from the PLO in 1974; has conducted terrorist attacks in 20 countries
	a former Palestinian terrorist organization (now merged with Fatah Revolutionary Council) that assassinated the Prime Minister of Jordan and during the 1972 Olympic Games in Munich killed 11 Israeli athletes