Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
-ga
←
Estonian
kaasas
(mention)
←
Estonian
kaasa
(mention)
←
Finnish
kanssa
(cognate)
←
Finnish
kaa
(cognate)
←
Proto-Germanic
*hansō
(derived)
→
Finnish
kaa
(cognate)