The word inauspiciousness 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 inauspiciousness
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Seven Letter Word Alert: (49 words)
anionic, asepsis, asinine, auspice, caisson, canines, caseins, casinos, cassons, cession, cosines, cousins, cuisine, eosinic, iciness, incises, inosine, inscape, ionises, isospin, niacins, nicosia, nonepic, noseans, nuances, osseins, pansies, passion, pension, pinions, possess, pounces, psionic, pussies, saponin, scapose, seasons, session, siennas, sinuous, sinuses, sissies, spinons, spinose, spinous, spouses, sunnies, uncapes, unsnaps