The word evangelists is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (92 words)
ageless, aiglets, anglist, avenges, eaglets, easiest, elastin, elating, elative, elegant, elegist, elegits, enlists, enseals, enslave, entails, estival, evilest, gelates, gelatin, genesis, genials, genital, gentile, gentles, glisten, ingests, invests, lasting, lateens, leanest, leasing, leavens, leaving, legates, lenites, ligases, ligates, lineage, lineate, listens, nailset, naivest, natives, negates, nestles, netless, sagiest, salient, salines, salting, salving, sateens, savings, sealing, seating, seitans, seitens, senates, sensate, sestina, sestine, signals, signees, signets, silanes, silents, silvans, singles, singlet, slating, slaving, sleaves, snivels, staving, tagline, tangles, tealess, teasels, teasing, tensile, tieless, tingles, tinsels, vainest, vegetal, veinlet, vestige, vesting, vinelet, vintage, visages