Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Vilamovian
aojg
←
Proto-Germanic
*augô
(inherited)
←
Old High German
ouga
(inherited)
←
Proto-Indo-European
*h₃ekʷ-
(derived)