Orzos is a 5 letter English word. It's valid Words with friends word worth 13 points.
You can make 24 anagrams from letters in orzos (oorsz).
Italian: literally, barley Latin hordeum; cf. gorse, orgeat
Remember, you're not taking the orzo out of the hot liquid, so it's going to continue cooking while you serve it.
Of all the pastas, orzo may win the prize for most overlooked.