Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English concoct
Proto-Indo-European *pekʷ- (root)
Latin concoctiō (derived)
Latin con- (mention)
Latin coquō (mention)

English cook (link)
English concocter (suffix)
English deconcoct (prefix)
English incocted (mention)
English inconcoct (mention)
English reconcoct (prefix)
Russian печь (mention)