The word acceleratory 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: 21
Highest Scoring Words With Friends™ Play In The Letters acceleratory
:
Seven Letter Word Alert: (41 words)
acatery, accrete, acerate, acolyte, acylate, aerator, alerter, areolae, areolar, arylate, cacolet, caroler, carroty, caterer, clearer, cloacae, coaltar, coercer, correct, cotylae, cotylar, crayola, creator, elector, erectly, erector, racecar, ratrace, reactor, realter, realtor, recrate, rectory, recycle, relater, relayer, retrace, terrace, tracery, treacle, treacly