The word haemosporidia 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: 22
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (68 words)
adipoma, adipose, admires, airhead, airship, airside, amorphs, amphora, ashamed, aspired, dairies, dampers, dampish, despair, dharmas, diapers, diaries, dimorph, diorama, diprism, dirhams, hairdos, hampers, harpies, hemipod, heroism, impairs, imposed, imposer, iodiser, midairs, midrash, misdoer, mishear, mispaid, misread, moodier, moorish, morphed, oosperm, opioids, parades, pariahs, periods, phrased, pomades, poromas, praised, primase, promise, prosoma, radomes, raphids, roadies, roadmap, rosehip, seamaid, searoom, shadier, shampoo, sharped, sharpie, sidearm, siriema, soapier, spiraea, spiroid, spoored