Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
nappen
←
Old English
hnappian
(inherited)
←
Proto-Germanic
*hnappōną
(inherited)
→
English
nap
(inherited)
→
Middle English
nap
(back-formation)
→
Middle English
napping
(affix)