Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ingrian
kerkiä
←
Estonian
kerge
(cognate)
←
Finnish
kerkeä
(cognate)
←
Ludian
kerged
(cognate)
→
Estonian
kerge
(cognate)
→
Finnish
kerkeä
(cognate)