Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English trade
Old English tredan (cognate)
Middle English trade (inherited)
Proto-Germanic *tradō (derived)
Middle Low German trade (derived)
Proto-Indo-European *drā- (derived)
Proto-Indo-European *der- (mention)
Old Saxon trada (derived)

English swap (link)
English deal (link)
English deal (link)
English tread (link)
English trademark (compound)
English tray (doublet)
English trader (affix)
English trade magazine (mention)
English tradecraft (compound)
English antitrade (prefix)
English tradesman (affix)
English tradesperson (compound)
English countertrade (prefix)
English tradable (suffix)
English e-trade (prefix)
English tradeswoman (compound)
English tradename (compound)
English tradeline (compound)
English protrade (prefix)
English fairtrade (mention)
English tradie (suffix)
English outtrade (prefix)
English overtrade (prefix)
English nontrade (prefix)
English tradeless (suffix)
English horsetrade (compound)
English tradeful (suffix)
English tradesfolk (affix)
English tradeth (suffix)
English tradest (suffix)
English tradepost (compound)
English retrade (prefix)
English newstrade (compound)
English posttrade (prefix)
English pretrade (prefix)
English bitrade (prefix)
English tradability (suffix)
English tradeshop (compound)
English cross-trade (prefix)
English tradefallen (affix)
Dutch tra (link)
Portuguese transa (link)