Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English -heort
Old English -mōd (link)
Proto-Germanic *-hertaz (inherited)
Proto-Germanic *hertô (mention)
Gothic -𐌷𐌰𐌹𐍂𐍄𐍃 (cognate)
Old Saxon -hert (cognate)

Old English hatheort (suffix)
Old English cealdheort (suffix)
Old English heardheort (suffix)
Old English eaþmodheort (affix)