Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
vaikia
←
Finnish
vaikea
(cognate)
←
Proto-Finnic
*vaikeda
(inherited)
←
Karelian
vaigie
(cognate)
→
Finnish
vaikea
(cognate)