Related by context. Frequent words. (Click for all words.) 68 pterosaur 66 theropod 65 feathered dinosaurs 62 Allosaurus 60 pterodactyl 60 Diplodocus 60 tyrannosaurus rex 60 tyrannosaur 59 pterosaurs 59 Brachiosaurus 59 Archaeopteryx 58 Velociraptor 58 velociraptor 58 Stegosaurus 58 velociraptors 57 Tyrannosaurus Rex 56 wingspans 56 hadrosaur 56 Tyrannosaurus 56 Tyrannosaurus rex 55 melanogaster 55 T. rex 55 T rex 55 theropods 55 marine reptile 55 triceratops 55 sauropod 54 crocodilians 54 carnivorous dinosaurs 54 mammal 54 dinos 54 flightless birds 54 toothed whales 53 Cretaceous Period 53 arthropods 53 Jurassic Period 53 brontosaurus 53 Indohyus 53 dinosaurs 52 wooly mammoth 52 foot wingspan 52 inch wingspan 52 flightless 52 tyrannosaurs 52 praying mantis 52 forelimbs 52 ground sloths 51 mammals 51 dinosaur 51 giant tortoise 51 stegosaurus 51 flightless bird 51 wingspan 51 sauropods 51 vertebrates 51 pterodactyls 51 arthropod 51 dragonfly 51 dinosaur skeletons 51 arachnids 51 trilobites 50 flycatchers 50 tetrapod 50 housefly 50 T. Rex 50 termite mounds 50 mantis shrimp 50 Nigersaurus 50 placental mammals 50 Triceratops 50 pectoral fins 50 winged 50 Longrich 50 meter wingspan 50 vertebrate animals 50 marine reptiles 49 prehistoric creatures 49 emperor penguin 49 turkey vulture 49 morphologies 49 Columbian mammoth 49 Tiktaalik 49 subfamily 49 mantis 49 mottled brown 49 African savannah 49 dinosaur skeleton 49 vertebrate 49 eagle owl 49 Ardipithecus ramidus 49 anteater 49 fossilized remains 49 platypuses 49 birdlike 49 skink 49 moray eels 49 grackle 49 hornbill 48 Ardipithecus 48 raptor 48 cassowary