Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
bwgan
←
Welsh
bwg
(affix)
←
Welsh
-an
(affix)
←
Welsh
bwga
(affix)
←
Welsh
-an
(affix)
→
English
bugan
(borrowed)