Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
perpetuity
←
Middle English
perpetuitee
(inherited)
←
Middle English
perpetuite
(mention)
←
Middle English
perpetuyte
(mention)
←
Old French
perpetüité
(derived)
←
Latin
perpetuitās
(derived)