The word bibliographer 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: 27
Highest Scoring Words With Friends™ Plays In The Letters bibliographer
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Seven Letter Word Alert: (29 words)
airhole, bargirl, belabor, bigraph, biphobe, bipolar, broiler, gabbier, gabbler, garbler, girlier, glibber, gobbier, gobbler, grabber, grabble, hairier, harelip, hoarier, hobbler, laborer, liriope, obliger, parboil, pergola, prairie, preboil, regraph, roilier