Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
marish
←
English
marsh
(doublet)
←
Middle French
mares
(derived)
←
Middle French
marest
(mention)
←
Proto-West Germanic
*marisk
(derived)
→
English
marsh
(doublet)
→
English
morass
(doublet)
→
English
marys
(mention)