Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
kaksik
←
Estonian
kaks
(affix)
←
Estonian
-ik
(affix)
←
Finnish
kaksikko
(cognate)
←
Proto-Finnic
*kakcikko
(inherited)
→
Estonian
-ik
(link)
→
Finnish
kaksikko
(cognate)
→
Finnish
kaksonen
(cognate)