Empoisons is a 9 letter English word. It's valid Scrabble word worth 12 points. It's valid Words with friends word worth 15 points.
You can make 340 anagrams from letters in empoisons (eimnoopss).
1275-1325; Middle English empoysonen Old French empoisoner. See em-1, poison
One doth not know / How much an ill word may empoison liking.
And at the siege of Grave the chivalry of Brabant made a similar use of carrion to empoison the garrison into a surrender.