Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Howell
←
Welsh
Hywel
(borrowed)
←
English
Huell
(doublet)
→
English
Powell
(doublet)
→
English
Howellian
(suffix)