Related by context. Frequent words. (Click for all words.) 57 Stone Age 40 primitive 39 prehistoric 39 cave dwelling 38 Prehistoric 36 Paleolithic 35 remnants 35 proto 34 hunter gatherer 34 Neandertals 34 Egyptian pyramids 34 Homo sapiens 34 hunter gatherers 34 megalithic 34 inhabited 34 dinosaurs 33 Neanderthal 33 Primitive 33 Neanderthals 33 cave dwellers 32 anthropological 32 prehistory 32 Remnants 32 middens 31 ancient 31 ancients 31 cavemen 31 forebears 31 Iron Age 31 Bronze Age 31 single celled organisms 31 nomadic tribe 31 hominids 30 fossilized 30 remnant 30 primitivism 30 primordial soup 30 primeval 30 modern 29 ancient civilization 29 Decaying 29 Pre Columbian 29 midden 29 ancient Egyptians 29 shamanistic 29 millenia 29 antiquity 28 homo sapiens 28 pictographs 28 civilization 28 outer fringes 28 Cro Magnon 28 pre Columbian 28 polytheistic 28 Native Americans 28 mud huts 27 single celled 27 desiccated 27 relic 27 modern conveniences 27 Ancient Egyptians 27 caveman 27 primordial 27 hominin 27 detritus 27 shamanic 27 ancestors 27 hominid 27 animism 26 eons 26 knuckle dragging 26 flint 26 industrialism 26 evolutionary 26 carnivalesque 26 uncivilized 26 Swaths 26 millennia 26 totems 26 hominins 26 neanderthal 26 arrowheads 26 Neolithic 26 relics 26 old timey 26 nomadic 26 Archaic 25 primitives 25 artifact 25 neolithic 25 Artifacts 25 multicellular 25 Twentieth century 25 antediluvian 25 southern Appalachians 25 Sumerians 25 shaman 25 mounds 25 reptilian 25 Tiktaalik 24 castoffs