The word hypertensive 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: 24
Highest Scoring Words With Friends™ Play In The Letters hypertensive
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Seven Letter Word Alert: (56 words)
eeriest, entrees, entries, enviers, ethenes, ethynes, evenest, eyepits, heptene, heptyne, inepter, inverse, inverts, neither, peevers, peevish, pensive, phrensy, present, preteen, prevent, pterins, pyrites, repents, repines, reshine, respite, restive, retypes, seepier, seether, serpent, seventh, seventy, sheeter, shivery, sievert, steepen, steeper, stripey, striven, styrene, syenite, teenier, terpene, terpine, therein, thieves, thrives, trienes, triynes, trypsin, veneers, versine, yestern, yperite