Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Livonian
pīr
→
Livvi
piiri
(cognate)
→
Votic
piiri
(cognate)
→
Võro
piir'
(cognate)