Who cares if it was ever used by the Ryukyuan people in true combat?.    From Wordnik.com.  [Karate and Modernity: A Call for Comments] Reference

Yui Aragaki 新垣結衣 Aragaki Yui, born June 11, 1988 is a Ryukyuan Japanese model, actress and seiyu.    From Wordnik.com.  [Yui Aragaki Commercials » Fanboy.com] Reference

Ironically, throughout the first two hundred years of the Yi Dynasty, Korea constantly imported Japanese and Ryukyuan shipbuilders in order to study their techniques, some of which they incorporated into their shipbuilding technology.    From Wordnik.com.  [1590s Military Technology Gaps] Reference

The most surprising section, to me, was the way in which the US admnistration in Okinawa used and dramatically altered Ryukyuan dances to bolster Ryukyuan identity, presumably to reduce the sense of connection to Japan and create a stronger case for continued stewardship.    From Wordnik.com.  [AHA Blogging Day One: Between Naps] Reference

Japan is not perfect and as a Ryukyuan I am not a mindless supporter of Japan.    From Wordnik.com.  [The Guardian World News] Reference

One example is Matsumura Sokon, an important figure in Shuri-te who was a security agent for various Ryukyuan kings and studied martial arts in Satsuma and Fujian, China.    From Wordnik.com.  [MyLinkVault Newest Links] Reference

Look at Japan, pretty much the poster-child for demographic homogeneity: in addition to Aynu itak, Ryukyuan, and Korean, there's a dozen different dialects of Japanese itself.    From Wordnik.com.  [The Volokh Conspiracy] Reference

I don’t personally know much at all about the differences between the two languages, but it is possible that lexical constructs that would be slightly odd in Japanese might be less so in Okinawan/Ryukyuan.    From Wordnik.com.  [Karate and Modernity: A Call for Comments] Reference