Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
commote
←
Welsh
cwmwd
(borrowed)
←
English
commotion
(back-formation)
←
Middle Welsh
kymhwt
(derived)
→
English
commotal
(suffix)