Is there a rule to what ending you use when you construct the nationality adjective? Or where did the various endings come from? [duplicate]
Possible Duplicate: Are there any rules governing what we call people from different countries? In the English language, you have several endings used when you construct an adjective out of ...
As far as I can tell, "Grecian" and "Greek" both mean "of or pertaining to Greece." Is there any difference at all between them?