Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Ancient Greek
Φίννος
←
Proto-Germanic
*finnaz
(derived)
←
Latin
Fenni
(cognate)
←
Old Norse
Finnr
(cognate)
→
English
Fenni
(cognate)
→
Ancient Greek
Φίννοι
(mention)