The word hypertensin 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: 20
Highest Scoring Words With Friends™ Play In The Letters hypertensin
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Seven Letter Word Alert: (41 words)
entries, ethynes, eyepits, heptyne, inepter, intense, interns, neither, nitrene, penners, pennies, pentyne, phrensy, pinenes, present, pterins, pyrites, rennets, repents, repines, reshine, respite, retypes, serpent, spinner, spinnet, spinney, stripey, styrene, syenite, tenners, tenpins, terpine, therein, thinner, tinners, trienes, triynes, trypsin, yestern, yperite