The word radiophones 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™ Plays In The Letters
Seven Letter Word Alert: (68 words)
adhorns, adipose, adonise, aneroid, anodise, arshine, aspired, dehorns, despair, diapers, dishorn, dishpan, donairs, erosion, hadrons, hairdos, handers, handier, hardens, harpies, harpoon, headons, headpin, heparin, hernias, heroins, hinders, honored, indoors, indorse, inroads, inshore, iphones, onshore, operand, operons, ordains, orphans, panders, pardons, periods, persona, phonier, phonies, phrased, pinhead, ponders, praised, raphids, respond, roadies, rosehip, rosined, sandier, sardine, shadier, sharped, sharpen, sharpie, shinpad, shrined, snooped, snooper, soapier, soprano, spinode, spooned, spoored