The word archaeobacteria 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: 26
Highest Scoring Words With Friends™ Play In The Letters archaeobacteria
:
Seven Letter Word Alert: (81 words)
abortee, aborter, abreact, accrete, acerate, acerbic, acrobat, aerator, aerobic, airboat, arbiter, archaea, archaic, biotech, boracic, botcher, brachia, breathe, breccia, brioche, brother, cabaret, catarrh, catcher, caterer, cerebra, chaotic, charier, chariot, charter, cheater, cheerio, choicer, cochair, coercer, cohabit, coherer, correct, coterie, crabier, creator, crochet, earache, erector, erotica, erratic, etaerio, etheric, haricot, hectare, heretic, hetaera, hoarier, iceboat, octarch, orbiter, racecar, rarebit, ratrace, reacher, reactor, rebatch, rebater, rebathe, rebirth, rebrace, recache, recatch, rechart, recheat, reciter, recrate, reteach, retrace, teacher, tearier, terrace, trachea, triarch, trochar, trochee