Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle English
clappen
←
Old English
clæppan
(inherited)
←
Proto-Germanic
*klappōną
(inherited)
→
English
clap
(inherited)
→
Middle English
clappe
(back-formation)
→
Middle English
clappynge
(affix)