Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English Gerard
Middle English Gerard (inherited)
Old French Gerart (derived)
Proto-West Germanic *aiʀ (mention)
Proto-West Germanic *hard(ī) (mention)

English Gerrard (mention)
English Jarrett (mention)
Old Norse Geirr (cognate)