ZYME

- A ferment.
- The morbific principle of a zymotic disease.

Z10 - Y4 - M3 - E1 has 18 points in Scrabble!

Z10 - Y3 - M4 - E1 has 18 points in Words with Friends!

Found in the OTCWL2014, SOWPODS, ENABLE, and WWF dictionaries