The word vasosections 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™ Plays In The Letters
Seven Letter Word Alert: (48 words)
aconite, actions, actives, ascents, ascites, assents, atonics, caisson, caseins, casinos, cassons, cassoon, cations, cession, consist, cooties, cosiest, cosines, covines, evasion, incests, insects, invects, invests, naivest, natives, nosiest, notices, novices, octanes, octaves, oecists, oncosis, osseins, osteons, ovation, seasons, secants, section, seitans, session, sestina, siestas, soonest, stances, tocsins, toonies, vainest