The word lateralizes 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: 22
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (38 words)
aerates, aerials, aeriest, allstar, atresia, elaters, lariats, lateral, laziest, literal, rallies, realest, realise, realist, realize, relates, retails, retells, retiles, retills, rillets, saltier, seltzer, seriate, slatier, stealer, stellar, sterile, stiller, tallier, tallies, teazels, teazles, tellers, tellies, tillers, trellis, zestier