The word adrenalines 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: 15
Highest Scoring Words With Friends™ Play In The Letters adrenalines
:
Seven Letter Word Alert: (48 words)
adenine, adrenal, aediles, aerials, alanine, aliased, aniseed, anneals, annelid, arsenal, dealers, dearies, denials, deniers, derails, dialers, dinners, endears, enlards, ensnare, ensnarl, inlands, innards, insaner, landers, leaders, leaners, learned, lenders, lindens, linseed, nailers, radials, radians, readies, realise, redeals, redials, redline, relined, relines, renails, sandier, sardine, slander, slender, snailed, snarled