ZAMARROS

Z10 - A1 - M3 - A1 - R1 - R1 - O1 - S1 has 19 points in Scrabble!

Z10 - A1 - M4 - A1 - R1 - R1 - O1 - S1 has 20 points in Words with Friends!

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