The word trifoliated 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: 16
Highest Scoring Words With Friends™ Play In The Letters trifoliated
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Seven Letter Word Alert: (33 words)
airfoil, airlift, attired, delator, deliria, dilater, dilator, diorite, dottier, fattier, filiate, firelit, flatted, flatter, flirted, flitted, floated, floater, foliate, fortlet, leotard, loftier, oilfire, rattled, refloat, retotal, rotated, tertial, totaled, trailed, trefoil, trifled, trifold