Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
French
seul
←
French
solo
(doublet)
←
Latin
solus
(inherited)
→
French
solo
(doublet)
→
French
seulement
(suffix)
→
French
seulet
(suffix)
→
French
esseuler
(confix)
→
Haitian Creole
sèl
(derived)