Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
daear
←
Proto-Indo-European
*dʰeǵʰ-
(root)
←
Proto-Indo-European
*dʰéǵʰōm
(derived)
→
Welsh
daearfoch
(affix)
→
Welsh
daeargryn
(affix)
→
Welsh
daearydd
(affix)
→
Welsh
daeareg
(affix)