The word conidiospores 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 conidiospores
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Seven Letter Word Alert: (94 words)
censors, ceroids, cession, cinders, coiners, condors, copiers, cordons, corpses, cosines, crinoid, crisped, crispen, cronies, crooned, crossed, discern, dispose, dossier, eosinic, erosion, iciness, incised, incises, incisor, indices, indoors, indorse, insider, insides, inspire, iodines, iodiser, iodises, ionised, ioniser, ionises, irenics, ironies, isopods, isospin, noisier, noosers, nordics, nosodes, oncosis, ooscope, oospore, opcodes, operons, opioids, periods, persons, pincers, pisoids, pissier, poisons, ponders, porcine, poroses, porosis, princes, prisons, process, psionic, recoins, rescind, respins, respond, rosined, scooped, scooper, scorned, scorpio, seconds, seniors, sericin, sinoids, snipers, snooped, snooper, sooners, soricid, spicers, spicier, spiders, spinier, spinode, spinose, spionid, spiroid, sponsor, spooned, spoored