The word correlational 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: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (74 words)
aclinal, aconite, aeolian, aerator, aileron, aircell, aircool, alicant, aloetic, areolar, article, calorie, carinae, carinal, caroler, carrion, cartoon, central, certain, clarion, coalier, coalite, coaltar, collate, collier, colonel, colorer, control, coolant, corneal, cornier, corolla, coronal, coroner, coronet, cranial, creator, crooner, elation, enactor, erotica, erratic, lacteal, lactone, lateral, latrine, lection, literal, locator, loonier, narrate, ocellar, oration, ornater, otarine, railcar, ratline, ratrace, reactor, reallot, realtor, recital, recolor, reliant, retinal, retinol, retrain, retrial, tallier, terrain, toenail, trailer, trainer, trenail