Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
wal
←
Old English
weall
(borrowed)
→
Old English
weall
(link)
→
Welsh
waliau
(affix)
→
Welsh
welydd
(affix)
→
Welsh
twll yn y wal
(compound)