Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Danish ægte
German echt (cognate)
German Ehe (cognate)
German -haft (derived)
Proto-Germanic *aiwǭ (inherited)
Proto-Germanic *aiwaz (mention)
Proto-Germanic *haftaz (derived)
Middle Low German echt (derived)
Middle Low German ē (derived)

Danish ægtefælle (compound)
Danish ægtemand (compound)
Danish gifte (link)
Danish ægthed (suffix)
Icelandic ekta (borrowed)