Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
conger
←
Old French
congre
(derived)
←
Ancient Greek
γόγγρος
(derived)
←
Proto-Indo-European
*geng-
(derived)
←
Proto-Indo-European
*gong-
(mention)
←
Latin
conger
(derived)
→
Old Irish
escong
(cognate)