Related by context. Frequent words. (Click for all words.) 71 Incan 65 Inca 62 Spanish conquistadors 59 Anasazi 57 Mayan 57 Mayans 54 pre Columbian 54 Teotihuacan 53 ancient civilizations 52 ancient civilization 51 ancients 51 hunter gatherers 51 ancient Romans 51 ancient 51 Babylonians 50 #BC [003] 50 ancient Egyptians 49 Phoenicians 48 Mughals 48 Persian Empire 47 antiquity 47 Mayas 47 civilizations 47 Bronze Age 47 Machu Picchu 46 Hohokam 46 ancient Greeks 46 Ancient 46 Sumerian 46 Aymara 46 Cusco 46 Andes Mountains 46 pharaohs 45 pyramids 45 Mesopotamia 45 Lake Titicaca 45 millenia 45 shamans 45 Neolithic 45 Babylonian 45 emperors 45 Quechua 45 Moorish 44 prehistory 44 Persians 44 prehistoric 44 Roman Empire 44 millennia 44 conquerors 44 Hellenistic 44 Andes 43 ancestors 43 millenniums 43 Homo sapiens 43 deities 43 Han Dynasty 43 Aztec 43 Mesopotamian 43 campesinos 43 civilization 43 Zoroastrianism 43 Israelites 43 Ottomans 43 Taino 43 Native Americans 43 Andes mountains 42 pictographs 42 indigenous tribes 42 Paleolithic 42 Cuzco 42 #BC [002] 42 Zapatistas 42 Romans 42 nomadic tribes 41 Amerindian 41 Polynesians 41 Yaqui 41 sixteenth century 41 Iron Age 41 shaman 41 peasants 41 Mongols 40 Conquistadors 40 petroglyphs 40 pueblo 40 hunter gatherer 40 forefathers 40 Byzantine Empire 40 Arequipa 40 Chumash 40 Chichen Itza 40 Berbers 40 Maya 40 pueblos 40 empires 40 pharaonic 40 Amazonian 39 Neanderthals 39 aborigines 39 Guanajuato 39 Mapuche