The word telephotograph 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: 27
Highest Scoring Words With Friends™ Play In The Letters telephotograph
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Seven Letter Word Alert: (44 words)
aerogel, athlete, galette, galtrop, garotte, gloater, grapple, heather, heeltap, hoppler, leather, loather, operate, palette, peltate, peregal, pergola, platter, plotter, portage, portlet, pothole, pottage, prattle, preheat, prelate, preplot, pretape, prophet, protege, rathole, replate, repleat, retotal, rootlet, taphole, taproot, theater, theatre, thereat, thereto, tootler, toprope, treetop