Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
acen
←
Latin
accentus
(derived)
←
Middle Welsh
acen
(inherited)
←
Middle Welsh
akan
(mention)
→
Welsh
aceniad
(affix)
→
Welsh
acennu
(affix)
→
Welsh
acenion
(affix)