Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
betws
←
Old English
bedhūs
(borrowed)
→
English
Betws-y-Coed
(derived)
→
English
Betws Garmon
(derived)