The word hallucinogenic 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: 29
Highest Scoring Words With Friends™ Play In The Letters hallucinogenic
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Seven Letter Word Alert: (75 words)
accinge, aclinic, alcogel, alginic, angelic, angulon, aniline, anionic, caching, calcine, calculi, caliche, calicle, calling, cannoli, canonic, cauline, ceiling, celling, chalice, chancel, channel, choleic, choline, cingula, cloning, coaling, cocaine, cochlea, coeliac, coiling, coinage, coining, colicin, collage, conceal, congeal, conical, council, culling, echoing, enchain, galleon, gluonic, gnocchi, gouache, guanine, hailing, halogen, hauling, healing, helical, hulling, illogic, inching, incline, laconic, lancing, lanolin, leaning, leching, lingual, loaning, logical, nailing, nanogel, nucleic, nucleon, oceanic, unagile, unalign, unchain, unclean, uncling, unhinge