Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
gostwng
←
Proto-Celtic
*[[uɸo-]][[eks-]][[stong-]]
(derived)
←
Welsh
go-
(prefix)
←
Welsh
(prefix)
←
Proto-Indo-European
*stengʷ-
(derived)
→
Welsh
gostyngaidd
(suffix)
→
Welsh
gostyngiad
(affix)