The word inchoatives 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: 21
Highest Scoring Words With Friends™ Play In The Letters inchoatives
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Seven Letter Word Alert: (32 words)
achiest, aconite, actions, actives, aitches, atonics, avionic, cations, chasten, covines, eosinic, ethnics, evasion, histone, ichnite, iconist, incites, inosite, invects, invites, invoice, naivest, natives, nicosia, notches, notices, novices, octanes, octaves, section, thiones, vainest