Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
od
←
Welsh
odiaeth
(link)
←
Welsh
odrif
(link)
←
Middle English
odde
(derived)
→
Welsh
o
(link)
→
Welsh
odiaeth
(affix)