The highest scoring word in Words With Friends is WHOLLY with a total of 15 points.
Synonyms: completely, totally, absolutely, entirely, fully, thoroughly, utterly, quite, perfectly, altogether, downright, without qualification, without reservation, unreservedly, in every respect, in all respects, unconditionally, unconstrainedly, unrestrictedly, consummately, undisputedly, unmitigatedly, wholeheartedly, radically, stark, just, to the hilt, all the way, to the maximum extent, exclusively, only, solely, purely, simply, merely, alone, to the exclusion of everything/everyone else