Yapon is a 5 letter English word. It's valid Scrabble word worth 10 points. It's valid Words with friends word worth 11 points.
You can make 42 anagrams from letters in yapon (anopy).
1700-10, Americanism; Catawba yą́pą, equivalent to yą- wood, tree + pą leaf
The cassine, or yapon, is a shrub which never grows higher than 15 feet; its bark is very smooth, and the wood flexible.