Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek τετρα-

English tetraplegia (mention)
English tetrarchy (mention)
English tetrarch (mention)
English tetrastich (mention)
English tetraeteris (mention)
English tetraeterid (mention)
English tetracosa- (prefix)
Greek τετράγωνο (derived)
Ancient Greek τέθριππον (affix)
Ancient Greek τετρακόσιοι (prefix)
Ancient Greek τρυφάλεια (mention)
Dutch tetrarch (mention)