Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
magnel
←
Old French
mangonel
(borrowed)
→
Welsh
magnelwr
(suffix)
→
Welsh
magnelwyr
(affix)
→
Welsh
magnelau
(affix)