The word machinators 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (47 words)
actions, amritas, anarchs, anchors, archons, arctans, artisan, artsman, atomics, atonias, atonics, cantors, cartons, cations, chamois, chariot, chroman, citrons, coatman, cratons, crimson, haricot, maniacs, mantras, marconi, marinas, martian, martins, masonic, matrons, microns, monarch, narcoma, oarsman, ostrich, rainhat, rations, rhotics, sarcoma, satanic, scatoma, somatic, stamina, stomach, tarmacs, tarnish, tsarina