Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Romanian
focar
←
French
foyer
(cognate)
←
Latin
focārius
(mention)
←
Latin
focus
(mention)
←
Romanian
foc
(suffix)
←
Romanian
ar
(suffix)