Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Firestone
←
German
Feuerstein
(mention)
←
German
Feuer
(mention)
←
German
Stein
(mention)
←
English
Feuerstein
(doublet)
→
English
Feuerstein
(doublet)
→
Finnish
silestone
(mention)