Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Eastern Mari
ава
←
Erzya
ава
(cognate)
→
Moksha
ава
(cognate)
→
Erzya
ава
(cognate)