Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
preëmption
←
Latin
prae-
(mention)
←
Latin
ēmptiō
(mention)
←
Latin
ēmptus
(mention)
←
Latin
emō
(mention)
→
English
preëmpt
(back-formation)