Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
golwg
←
Proto-Celtic
*uɸolukos
(derived)
←
Proto-Indo-European
*upo
(derived)
←
Proto-Indo-European
*lewk-
(mention)
→
Welsh
adolygu
(mention)
→
Welsh
arolwg
(affix)
→
Welsh
golygu
(suffix)
→
Welsh
rhagolwg
(affix)
→
Welsh
golygfa
(affix)
→
Welsh
golygus
(compound)