Ideography is a 10 letter English word. It's valid Words with friends word worth 20 points.
You can make 646 anagrams from letters in ideography (adeghiopry).
First recorded in 1830-40; ideo- + -graphy
Here also the Chinese ideography has its advantage, in even a simple line, for example, "The sun rises in the east."
ideography, ī-de-og′ra-fi, n. the representation of things by pictures, and not by sound-symbols or letters.