Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
rez
←
French
ras
(doublet)
←
Old French
res
(inherited)
←
Latin
rāsus
(inherited)
→
French
ras
(doublet)
→
French
ras
(link)
→
Portuguese
rés
(mention)