Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kera
←
Finnish
kerä
(cognate)
←
Livonian
kierā
(cognate)
←
Votic
tšerä
(cognate)
→
Estonian
maakera
(compound)
→
Finnish
kerä
(cognate)
→
Ingrian
kerä
(cognate)