Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Finnish
otso
←
Finnish
ohto
(mention)
←
Finnish
otsa
(mention)
←
Proto-Finnic
*okci
(derived)
→
Finnish
Otso
(mention)