Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
plaint
←
Middle English
plainte
(inherited)
←
Old French
plaint
(mention)
←
Old French
pleinte
(derived)
←
Old French
pleint
(mention)
←
Old French
plainte
(mention)
←
Latin
planctus
(derived)
←
Latin
plango
(mention)
→
English
complaint
(mention)
→
English
plaintful
(suffix)
→
English
plaintless
(suffix)