Related by context. Frequent words. (Click for all words.) 55 hieroglyphs 52 pictographs 50 pre Columbian 50 prehistory 50 Etruscans 50 Mesoamerican 49 hieroglyphic 48 Sumerians 47 genealogies 46 ancient 46 Denisovans 45 glyphs 45 cuneiform 45 hieroglyphics 45 mandalas 45 neolithic 44 Olmec 44 arrowheads 44 ancients 44 pottery shards 43 Sumerian 43 Miwok 43 anthropological 43 hominins 43 paleontological 43 petroglyphs 43 burial mounds 43 Incan 43 Neandertals 43 radiocarbon dating 43 archeological 42 ancient manuscripts 42 ancestors 42 phylogeny 42 Tiktaalik 42 Fertile Crescent 42 ancient Mesopotamia 42 archeologists 42 prehistoric 42 stone carvings 42 ancient civilizations 42 skull fragments 42 Mesoamerica 42 shamans 41 petroglyph 41 Anasazi 41 artifact 41 shamanistic 41 middens 41 ancient Mayan 41 palimpsest 41 biblical texts 41 fossilized bones 41 artifacts 41 ancestor 41 taxa 41 fragmentary 41 Pre Columbian 41 bluestones 41 antiquity 41 Neolithic 41 theropods 41 Anthropological 41 sixteenth century 40 primitives 40 animism 40 millenniums 40 Goguryeo 40 Neanderthal DNA 40 folklore 40 ethnographer 40 mystical 40 codex 40 Mayan 40 fossils 40 etymological 40 basketry 40 heraldry 40 Bronze Age 40 archaeologists 40 archaeological finds 39 thirteenth century 39 Canaanites 39 primeval 39 ancient civilization 39 Incas 39 Iron Age 39 ethnography 39 Rosetta stone 39 cliff dwellings 39 rhythmic patterns 39 tapestry 39 genealogical 39 censuses 39 handwoven 39 intricately designed 39 Paleolithic 39 archaeological 39 floral motifs 39 folktales 39 dinosaur footprints