Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Dutch
medemolaca
←
Proto-Germanic
*medumô
(derived)
←
Proto-West Germanic
*medumō
(derived)
←
Proto-West Germanic
*laku
(mention)