The word hypodermics 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: 25
Highest Scoring Words With Friends™ Play In The Letters hypodermics
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Seven Letter Word Alert: (43 words)
ceroids, chirped, chomped, chomper, chromed, chromes, ciphers, coheirs, copiers, crimped, crisped, cyphers, deciohm, dimorph, dormice, eomyids, hemipod, heroics, heroism, hosiery, hospice, hydrops, imposed, imposer, miscode, miscopy, misdoer, morphed, morphic, moschid, orchids, periods, porched, porches, promise, psyched, rosehip, scrimpy, shrimpy, spermic, spheric, spicery, spidery