Rastafarian vs Rastas

Rastafarian and Rastas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rastafarian	Yes	Yes	No	No
Rastas	Yes	No	No	No

Rastafarian (noun)	Rastas (noun)
(Ethiopia) adherents of an African religion that regards Ras Tafari as divine	(Jamaica) a Black youth subculture and religious movement that arose in the ghettos of Kingston, Jamaica, in the 1950s; males grow hair in long dreadlocks and wear woolen caps; use marijuana and listen to reggae music
follower of Rastafarianism

Rastafarian (adjective)	Rastas (adjective)
of or pertaining to or characteristic of Rastafarianism or Rastafarians