The word refrigeration 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: (75 words)
angrier, arenite, earring, engraft, etaerio, fainter, fairing, fearing, feigner, ferrari, ferrite, fierier, fireant, firring, forager, foreign, freeing, frigate, fringer, grafter, grainer, granite, grantee, granter, greaten, greater, groaner, igniter, ignitor, inerter, inertia, ingraft, ingrate, integer, ironage, niftier, oftener, oranger, orating, ornater, otarine, rafting, rainier, rangier, reagent, rearing, reefing, refiner, reforge, refrain, regraft, regrant, regrate, reifier, reigner, reinter, retirer, retrain, rifting, rioting, roaring, tangier, tarrier, tarring, tearier, tearing, terrain, terrane, terrier, terroir, tiering, trainee, trainer, treeing, triaene