The word linearities 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: 13
Highest Scoring Words With Friends™ Plays In The Letters linearities
:
Seven Letter Word Alert: (62 words)
aeriest, airiest, airline, antlers, antsier, arenite, earnest, eastern, elastin, elaters, entails, enteral, entries, eternal, ileitis, inertia, initial, irisate, lateens, latrine, leaners, leanest, lenites, lineate, lintier, nailers, nailset, nastier, nearest, ratline, realest, realise, realist, relates, relents, reliant, relines, renails, rentals, reslant, restain, retails, retains, retiles, retinal, retinas, salient, saltern, saltier, seriate, siltier, slatier, stainer, stealer, sterane, sterile, sternal, tensile, trainee, trenail, triaene, trienes