The word reharmonises 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (93 words)
animose, anomers, armoire, arsheen, arshine, arshins, earners, enamors, ensears, erasers, haemins, harness, hearers, hearses, heiress, hernias, heroine, heroins, heroise, heroism, hoarier, hoarser, hornier, horsier, hosiers, inseams, inshore, ironers, isomere, isomers, mariner, marines, marries, marshes, mashers, meanies, meioses, menorah, meshers, meshier, messiah, messier, mishear, moaners, moraine, mossier, nemesis, oarsmen, raisers, ransoms, rashers, reamers, rearise, rearose, reasons, reharms, rehears, rehires, rehomes, rehones, remains, remines, remorse, renames, rerinse, reshare, reshims, reshine, reshoes, reshore, rinsers, roamers, romaine, seamers, seamier, seminar, seniors, seriema, sermons, sharers, shearer, shiners, shrines, siamese, siemens, sierras, sirname, smasher, smearer, snarers, snorers, soarers, soirees