The word teleconferencing 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 teleconferencing
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Seven Letter Word Alert: (76 words)
centric, circlet, clinger, cloning, conceit, concern, concert, confect, confine, conifer, connect, conning, coreign, cornice, corning, coterie, eccrine, electee, elector, enforce, enteric, enticer, feeling, feigner, felting, fencing, fertile, fleecer, fleeing, fleeter, forcing, foreign, foreleg, forelie, freeing, froglet, generic, genetic, gentile, gentler, gleeter, icefloe, inferno, inflect, integer, intoner, lectern, lection, leering, lenient, licence, loftier, lofting, longfin, neglect, nitrene, nonfire, nonfree, nonlife, oftener, onliner, recline, reclone, reefing, reelect, reeling, refence, reflect, renting, retinol, ringlet, teenier, telogen, tingler, treeing, trefoil