Quick Quiz: Nouns Score: Change category, Flip order Reset Incorrect! Try again. Noun: theme Your choice? someone who theorizes (especially in science or art)   (Noun: theoretician) a limit to high speed flight imposed by aerodynamic heating any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs   (Noun: theropod) an essay (especially one written as an assignment)