Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
sempiternal
←
Old French
sempiternel
(derived)
←
Latin
sempiternālis
(mention)
←
Latin
sempiternus
(mention)
←
Latin
semperaeternus
(mention)
←
Latin
semper
(mention)
←
Latin
aeternus
(mention)
→
English
sempiternity
(suffix)
→
English
sempiternally
(suffix)