Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
vantus
←
Proto-Finnic
*vant'us
(inherited)
←
Proto-Germanic
*wantuz
(derived)
→
Finnish
vanttuut
(mention)