The word bacteriological 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: 28
Highest Scoring Words With Friends™ Play In The Letters bacteriological
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Seven Letter Word Alert: (97 words)
abiotic, ablator, abreact, acerbic, acrobat, actable, aerobic, airable, airboat, aircell, aircool, albitic, alcogel, algebra, allegro, aloetic, article, bacilli, bicolor, biolite, bloater, bootleg, boracic, braille, breccia, cabaret, cacolet, calcite, caliber, calibre, calicle, caloric, calorie, cartage, catalog, catcall, catelog, ciliate, circlet, citable, cloacae, cloacal, coactor, coalbag, coalier, coalite, coaltar, coeliac, collage, collate, collect, collier, corolla, erotica, gallate, glacial, glacier, gloater, globate, gorilla, gracile, iceball, iceboat, icecool, icteric, illogic, labiate, lacteal, lateral, libator, liberal, literal, lobelia, locator, logical, obliger, obligor, ocellar, october, oolitic, orbital, ragbolt, reallot, recital, regalia, ribcage, robotic, tabooli, tallier, tarball, tillage, tobacco, tollage, toolbag, toolbar, triable, trilobe