Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Walloon
poleur
←
Old French
pooir
(inherited)
←
Latin
*possō
(mention)
←
Latin
posse
(inherited)
←
Latin
possum
(mention)
←
Latin
potis
(mention)
←
Latin
potens
(mention)
←
Walloon
voleur
(mention)