The word computational 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: 25
Highest Scoring Words With Friends™ Play In The Letters computational
:
Seven Letter Word Alert: (40 words)
alicant, alumina, anaptic, auction, automat, campion, campout, capital, capitol, captain, caption, catmint, cattail, caution, coalman, coalpit, coatman, coolant, copilot, implant, lampoon, lunatic, moonlit, nautica, nuptial, optical, optimal, ottoman, outplan, outplot, platoon, potamic, tactual, tapioca, toolman, topcoat, topical, unclamp, unclipt, utopian