Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
castrer
←
French
châtrer
(doublet)
←
Latin
castrāre
(borrowed)
←
Latin
castrō
(mention)
→
Dalmatian
castrur
(cognate)
→
French
châtrer
(doublet)
→
French
encastrer
(mention)
→
Romanian
castra
(borrowed)