The word trademarking 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: 23
Highest Scoring Words With Friends™ Plays In The Letters trademarking
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Seven Letter Word Alert: (85 words)
admirer, agatine, airdate, airmark, amentia, angrier, animate, arraign, arrange, damager, darting, deraign, detrain, diagram, dragnet, drainer, drinker, earmark, earring, garment, gateman, gnarred, gradate, grained, grainer, grander, grandma, granite, granted, granter, grinder, ingrate, keratin, knarred, magenta, magnate, managed, manager, mandate, mangier, margate, mariner, marking, married, marring, martian, megarad, migrant, migrate, minaret, mintage, nametag, narrate, radiant, radiate, ragtime, raiment, ramekin, randier, rangier, reading, readmit, reaking, reaming, rearing, regrant, regrind, retrain, tanager, tangier, tangram, tankage, tankard, tardier, tarried, tarring, teaming, tearing, terrain, tiaraed, tradein, trading, trained, trainer, trigram