Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
anghytûn
←
Welsh
an-
(affix)
←
Welsh
cytûn
(affix)
→
Welsh
anghytundeb
(affix)
→
Welsh
anghytuno
(affix)