Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*meldunjaz
→
English
Mjollnir
(derived)
→
German
Mjölnir
(derived)
→
Icelandic
Mjölnir
(inherited)
→
Old Norse
Mjǫllnir
(inherited)
→
Swedish
Mjölner
(inherited)