The word obliteration 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: 17
Highest Scoring Words With Friends™ Plays In The Letters obliteration
:
Seven Letter Word Alert: (55 words)
abettor, aileron, airline, baronet, battier, battler, biolite, biotite, bitrate, bittier, bloater, blotter, boolean, bottler, brittle, elation, inertia, latrine, libator, lintier, loonier, nattier, niobate, niobite, nitrate, nitrite, nittier, notable, notator, oration, orbital, otarine, otolite, ratbite, ratline, rattoon, reliant, retinal, retinol, retotal, rootlet, tabinet, tabooli, terabit, tertial, tintier, tobiano, toenail, toolbar, tootler, tornote, totable, trenail, triable, trilobe