Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English tetrahedron
English tetra (confix)
English hedron (confix)
Ancient Greek τετράεδρον (mention)
Ancient Greek τετράεδρος (mention)
Ancient Greek τετράς (mention)
Ancient Greek ἕδρα (mention)

English Tetra Pak (clipping)
English tet (clipping)
English orthotetrahedron (prefix)
English hexatetrahedron (prefix)
English polytetrahedron (prefix)