Related by context. Frequent words. (Click for all words.) 55 Homo Sapiens 54 Homo sapiens 52 Jurassic Period 52 Homo erectus 51 genus Homo 51 hominid 51 Neandertals 51 hominids 51 Homo 51 biped 51 saber toothed tigers 51 Cro Magnon 50 Neanderthal 50 homo sapiens 50 anthropoids 50 Neandertal 50 hominins 50 Homo floresiensis 50 hunter gatherers 49 caveman 49 placental mammals 49 Humanoids 49 H. erectus 49 trilobites 48 Tyrannosaurus 48 Ancestor 48 Ardipithecus ramidus 48 Australopithecus 48 anthropoid 48 brontosaurus 48 Neanderthals 48 carnivorous dinosaurs 48 wooly mammoth 48 supercontinent 48 Columbian mammoth 47 dinosaurs 47 hobbit 47 Homo habilis 47 Brontosaurus 47 mammoths 47 prehistoric 47 Fossilized 47 stromatolites 47 Ice Age 47 tetrapods 47 Lemurs 46 Prehistoric 46 velociraptors 46 horned dinosaur 46 humans 46 herbivorous 46 feathered dinosaurs 46 arthropod 46 phyla 46 dinos 46 hadrosaur 45 theropods 45 Brachiosaurus 45 anatomically modern 45 Diplodocus 45 apes 45 hunter gatherer 45 ape 45 hobbits 45 marine reptiles 45 Dinosaurs 45 Giant Squid 45 Ardipithecus 45 Pleistocene era 45 Hobbits 45 Tiktaalik 45 prokaryotes 45 interbred 45 fossilized remains 45 Late Cretaceous 45 dinosaur 45 Extinct 44 cave dwelling 44 tyrannosaurus rex 44 dino 44 primordial ooze 44 woolly mammoth 44 species Homo sapiens 44 bipedalism 44 coelacanth 44 multicellular 44 megafauna 44 Beringia 44 tyrannosaur 44 giant tortoise 44 velociraptor 44 woolly mammoths 44 triceratops 44 Monster Squad 44 God Particle 44 Mammoths 44 bipeds 44 cavemen 44 planetoid 43 African savanna 43 radiocarbon dated