The word conidiophores 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: 23
Highest Scoring Words With Friends™ Play In The Letters conidiophores
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Seven Letter Word Alert: (96 words)
ceroids, chirped, chooser, chorion, choroid, cinders, ciphers, coheirs, coiners, condors, copiers, cordons, crinoid, crisped, crispen, cronies, crooned, dehorns, discern, dishorn, eosinic, erosion, hencoop, heroics, heroins, hinders, honored, hospice, inchers, incised, incisor, indices, indoors, indorse, inshore, insider, inspire, iodines, iodiser, ionised, ioniser, iphones, irenics, ironies, noisier, nordics, onshore, oophore, ooscope, oospore, opcodes, operons, opioids, orchids, periods, phonics, phonier, phonies, phrenic, pincers, pinched, pincher, pinches, ponchos, ponders, pooched, pooches, porched, porches, porcine, princes, psionic, recoins, rescind, respond, rosehip, rosined, scooped, scooper, scorned, scorpio, sericin, shinier, shrined, snooped, snooper, soricid, sphenic, spheric, spicier, spinier, spinode, spionid, spiroid, spooned, spoored