Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
jääma
←
Proto-Finnic
*jäädäk
(inherited)
→
Estonian
-k
(link)
→
Estonian
jätma
(affix)
→
Finnish
jäädä
(cognate)
→
Livvi
jiähä
(cognate)