Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Middle English derth
Old English *dīerþ (inherited)
Old English *dīerþu (mention)
Old English *dēorþ (inherited)
Old English *dēorþu (mention)
Middle English dere (affix)
Middle English -th (affix)
Proto-Germanic *diuriþō (inherited)

English wealth (mention)
English dearth (inherited)