The word palaeoethnography cannot be made in Words With Friends™. It is 17 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Plays In The Letters palaeoethnography
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Seven Letter Word Alert: (130 words)
aerogel, agnatha, alphorn, analogy, analyte, another, aplenty, apogeal, apogean, apogeny, apology, apparel, areolae, arylate, atrophy, eagerly, earthen, earthly, elegant, enlarge, enolate, enteral, enthral, entropy, eophyte, eternal, ethanol, galtrap, galtrop, general, gentler, gleaner, gloater, granola, grantee, grapple, greaten, greatly, greenly, halogen, haplogy, harpoon, healthy, hearten, heathen, heather, heeltap, heptane, heptyne, hetaera, honoree, hoppler, lathery, leather, leghorn, lengthy, loather, naphtha, neotype, nepotal, oophyte, operant, operate, orangey, oregano, orogeny, pageant, paleate, palpate, panther, papalty, papyral, paragon, paralog, parapet, penalty, peptone, peregal, pergola, pharaoh, phenate, phthaly, planeta, plantar, planter, platoon, playpen, plenary, polaron, polygon, portage, potheen, pothole, preheat, prelate, prelaty, prenote, preplan, preplot, pretape, pretype, progeny, prolong, pronate, pronely, propane, propene, prophet, propyne, protean, protege, pteryla, rathole, reagent, reapply, repanel, repayal, replane, replant, replate, repleat, tanager, tangelo, taphole, telogen, therapy, thereon, toprope, typhoon, yatagan