Related by context. Frequent words. (Click for all words.) 70 Homo sapiens 66 Neandertals 66 genus Homo 66 Homo erectus 65 hominid 64 Neanderthals 64 hominids 64 hominins 63 anatomically modern 62 Neandertal 62 Cretaceous Period 62 Australopithecus 62 hominin 61 homo sapiens 60 interglacial period 58 megafauna 58 Homo habilis 58 Late Cretaceous 58 Homo floresiensis 58 theropod 58 primate species 57 Australopithecus afarensis 57 theropods 57 hunter gatherers 57 interglacial 57 Neanderthal 56 Denisovans 56 vertebrates 56 Archaeopteryx 56 Neolithic 56 Ardipithecus 56 mammoths 56 sauropod 55 tetrapods 55 lineages 55 Paleolithic 55 multicellular organisms 55 carnivorous dinosaurs 54 sauropods 54 dinosaurs 54 tyrannosaur 54 humans 54 trilobites 54 Fertile Crescent 54 prehistoric 54 multicellular 54 marine reptiles 54 bipedalism 53 prehistory 53 fossil 53 mammals 53 clades 53 Pleistocene 53 vertebrate species 53 vertebrate 53 common ancestor 53 subfamily 53 Archaea 53 baleen whales 52 Tiktaalik 52 preindustrial 52 herbivorous 52 single celled organisms 52 hunter gatherer 52 tyrannosaurs 52 Cro Magnon 52 fossils 52 neolithic 51 archaea 51 fossilized remains 51 subtropical regions 51 pterosaur 50 ancestors 50 #BC [003] 50 millennia 50 marine invertebrates 50 interbred 50 dinosaurs roamed 50 Neanderthal DNA 50 flint tools 50 millenniums 50 woolly mammoth 50 taxa 49 radiocarbon 49 Pliocene 49 apes 49 hadrosaur 49 arthropod 49 species 49 eukaryotes 49 Bronze Age 48 Holocene 48 mammal 48 palaeontologists 48 phylogeny 48 mammalian 48 mammal species 48 woolly mammoths 48 continental crust 48 herbivore 48 millenia