Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
dirmyg
←
Welsh
dirmygu
(mention)
←
Proto-Indo-European
*meyk-
(root)
→
Welsh
dirmygus
(affix)