Related by context. Frequent words. (Click for all words.) 72 hunter gatherers 59 Homo sapiens 57 prehistoric 56 Neanderthal 56 Neanderthals 56 Neolithic 52 primitive 52 hominids 52 Homo erectus 52 hominid 52 prehistory 50 homo sapiens 48 ancestors 48 subsistence farming 48 Stone Age 48 caveman 48 Bronze Age 47 Pleistocene 47 foraging 46 domesticated 46 herbivore 46 Iron Age 46 nomadic 45 mammoths 45 evolutionary 44 anthropological 44 dinosaurs 44 Homo 44 subsistence 44 Darwinian 43 ancestor 43 fossil 43 domestication 43 cavemen 43 homesteading 42 ancestral 42 Polynesians 42 extinct species 42 nomads 42 primeval 42 ancient 41 Maasai 41 millennia 41 vertebrate 41 anthropologists 41 fossils 41 Prehistoric 41 sedentary 41 dinosaur 41 civilization 40 vertebrates 40 cannibalism 40 Incas 40 woolly mammoth 40 speciation 40 extinct 40 Anthropologists 40 aborigines 40 Bushmen 40 lineages 40 Y chromosome 40 herbivores 40 humans 39 meat eater 39 anthropologist 39 seafaring 39 mastodon 39 Middle Ages 39 atavistic 39 pre Columbian 39 mammalian 39 common ancestor 39 Bantu 39 ethnographic 39 ape 39 agrarian 39 Ardi 38 Basarwa 38 farming 38 pastoralists 38 apes 38 immemorial 38 Cretaceous 38 Pygmies 38 cannibals 38 hobbit 38 Holocene 38 colonized 38 primal 38 T. rex 38 genetic variation 38 carnivores 37 mammals 37 meat eaters 37 primordial 37 genetically distinct 37 bonobos 37 Chimpanzees 37 Industrial Revolution 37 forebears 37 genetically