Related by context. Frequent words. (Click for all words.) 61 theropod 60 H. erectus 59 placental mammals 59 Homo habilis 58 Homo sapiens 58 anthropoids 58 platypuses 57 Ardipithecus 57 Homo erectus 57 Diplodocus 57 hominid 57 Ardipithecus ramidus 56 feathered dinosaurs 56 Indohyus 56 homo sapiens 56 hominins 56 Jurassic Period 55 velociraptor 55 Tiktaalik 54 hominids 54 Neandertals 54 Homo floresiensis 54 tetrapods 54 herbivorous 53 forelimbs 53 saber toothed tigers 53 Australopithecus 53 hominin 53 Neandertal 53 tetrapod 53 unicellular 53 morphologically 53 theropods 52 afarensis 52 Homo Sapiens 52 bipedalism 52 velociraptors 52 Neanderthals 52 ancestor 52 pterodactyls 52 tyrannosaur 52 Archaeopteryx 51 Poinar 51 Longrich 51 wooly mammoth 51 echidna 51 Late Cretaceous 51 genus Homo 51 subfamily 51 Australopithecus afarensis 51 single celled organisms 51 featherless 51 monkeys apes 51 dinosaurs 50 hunter gatherers 50 single celled 50 Neanderthal 50 Palaeolithic 50 arthropod 50 mottled brown 50 phyla 50 brontosaurus 50 cave dwelling 50 plesiosaur 50 phylum 50 Beringia 50 sauropods 50 supercontinent 50 crocodilians 50 fossa 50 triceratops 49 trilobites 49 vertebrate 49 Cretaceous Period 49 caudal 49 anthropoid 49 bipedal 49 carnivorous dinosaurs 49 tyrannosaurs 49 simian immunodeficiency virus 49 Denisovans 49 mouthparts 49 multicellular 49 FOXP2 49 evolutionarily 49 taxon 49 giant tortoise 49 mastodons 49 anatomically modern 49 Fertile Crescent 49 dung beetle 49 Otzi 49 lineages 48 Lemurs 48 warty 48 ammonites 48 grackle 48 thylacine 48 grassy plains 48 sexual dimorphism 48 phrenology