Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
tlawd
←
Proto-Celtic
*tlati-
(derived)
←
Proto-Indo-European
*telh₂-
(inherited)
→
Welsh
tlotyn
(affix)
→
Welsh
tloty
(affix)
→
Welsh
tlodaidd
(affix)
→
Welsh
tlodi
(affix)