Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
rikastuma
←
Estonian
rikas
(suffix)
←
Estonian
tuma
(suffix)
←
Finnish
rikastua
(cognate)
←
Votic
rikassua
(cognate)