The word vasosection 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: 19
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (42 words)
aconite, actions, actives, ascents, ascites, atonics, caisson, caseins, casinos, cassoon, cations, cession, consist, cooties, cosiest, cosines, covines, evasion, incests, insects, invects, invests, naivest, natives, nosiest, notices, novices, octanes, octaves, oecists, oncosis, osteons, ovation, secants, section, seitans, sestina, soonest, stances, tocsins, toonies, vainest