Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
Östersjön
←
Old Norse
Austrsjór
(derived)
←
Swedish
öster
(compound)
←
Swedish
sjö
(compound)
→
Finnish
Itämeri
(calque)