Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Estonian
vaen
←
Finnish
vaino
(cognate)
←
Lithuanian
vaina
(mention)
←
Old East Slavic
воина
(derived)
←
Russian
война
(cognate)
→
Estonian
vaenlane
(suffix)
→
Finnish
vaino
(cognate)