Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Helene
←
English
Helen
(cognate)
←
Ancient Greek
Ἑλένη
(derived)
→
English
Helene
(derived)
→
German
Helena
(mention)
→
German
Jelena
(doublet)