Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Esperanto
per-
←
Esperanto
per
(back-formation)
→
Esperanto
perflati
(prefix)
→
Esperanto
perlabori
(prefix)