11 letters · 20 points in Scrabble
noun swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous
originFrom translingual Deinonychus (1969), from Ancient Greek δεινός (deinós, “fearful, terrible”) (see dinosaur) + ὄνυξ (ónux, “nail, claw, talon”).
Etymology from Wiktionary, CC BY-SA 3.0