Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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German platzen
English plat (link)
Proto-Germanic *platjaną (inherited)
Proto-Germanic *plat- (mention)
Middle High German platzen (inherited)
Middle High German blatzen (mention)
Old High German *blazzen (inherited)

English pat (cognate)
German aufplatzen (compound)
German zerplatzen (affix)
German Platzregen (compound)
German reinplatzen (prefix)
German herausplatzen (prefix)
Middle English platten (cognate)
Albanian plas (cognate)