Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
saladus
←
Estonian
sala
(suffix)
←
Estonian
dus
(suffix)
←
Finnish
salaisuus
(cognate)
→
Finnish
salaisuus
(cognate)