Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
ratatouille
←
French
ratatouille
(borrowed)
←
French
tat-
(mention)
←
French
touiller
(mention)
←
Proto-Indo-European
*tud-
(derived)
←
Proto-Indo-European
*(s)tewd-
(mention)
←
Latin
tudiculō
(derived)
←
Latin
tudes
(mention)
←
Occitan
ratatolha
(derived)