Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
dangos
←
Welsh
dann-
(prefix)
←
Welsh
dy-
(compound)
←
Welsh
an-
(compound)
←
Proto-Indo-European
*ḱens-
(derived)
→
Welsh
arddangos
(affix)
→
Welsh
ymddangos
(affix)