Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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English reck
Old English rēċċan (cognate)
Old English rēċan (mention)
Danish røgte (cognate)
German geruhen (cognate)
English retch (cognate)
Middle English recken (inherited)
Middle English rekken (mention)
Middle English reken (mention)
Proto-Germanic *rōkijaną (derived)
Proto-Indo-European *rēǵ- (derived)
Proto-Indo-European *rēg- (mention)
Icelandic rækja (cognate)
Low German roken (cognate)
Low German ruken (mention)
Dutch roeken (cognate)
Old Norse rœkja (derived)

English reckless (suffix)
English reckon (link)
English raught (link)
English reckful (suffix)
English reckling (suffix)