The word lexicostatistics cannot be made in Words With Friends™. It is 16 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Play In The Letters lexicostatistics
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Seven Letter Word Alert: (82 words)
accites, accosts, alecost, aloetic, altoist, ascetic, ascites, attests, cacolet, calcite, calicos, castile, castles, celosia, ciliate, ciscoes, classes, classic, clastic, clitics, closest, closets, coalise, coalite, coeliac, coexist, colitis, cosiest, costate, coxitis, coxless, elastic, elicits, elitist, exotica, exotics, icicles, ileitis, iolites, isolate, italics, laciest, lactose, laicise, lassies, lassoes, latites, lattice, laxists, liaises, locates, oecists, oiliest, ossicle, oxalise, oxtails, sacless, sciatic, sexists, siestas, silicas, silicic, sixties, socials, solaces, solicit, stalest, statice, statics, statist, stoical, tactics, tactile, taoists, tassels, tattles, taxless, tictacs, tictocs, titlist, toilets, toxical