The word glottochronological cannot be made in Words With Friends™. It is 19 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (79 words)
aircool, alcohol, alright, anthill, arching, caching, calling, caloric, carting, cartoon, catting, chagrin, chaotic, chariot, chloral, chlorin, choragi, choring, chorion, chronic, citator, clangor, clarion, coactor, coaling, coating, cochair, colonic, conical, contact, contort, control, coolant, cooling, corolla, coronal, crating, galling, gaoling, gigaton, glaring, glottal, gnocchi, goaling, gorilla, gracing, grating, halting, haricot, hatting, hooting, laconic, lathing, locator, logical, logroll, looting, notator, octagon, octarch, oncotic, oogonia, orating, oration, organic, otolith, raccoon, ratting, rattoon, ricotta, rolling, rooting, rotting, tantric, tolling, tonight, tooling, tooting, tracing