The word rescheduled 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: 20
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (44 words)
cheered, cheesed, crushed, cuddler, cuddles, curdled, curdles, decreed, decrees, deducer, deduces, deluder, deludes, duelers, eluders, huddles, hurdled, hurdles, lechers, leeched, leecher, leeches, lurched, lurches, receded, recedes, recluse, recused, reduced, reduces, reheels, rescued, seceded, seceder, seclude, secured, seduced, seducer, shedder, sheered, shudder, sledder, ulcered, ushered