Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
iau
←
Proto-Brythonic
*jọw
(inherited)
←
Proto-Celtic
*yugom
(inherited)
←
Welsh
afu
(mention)
←
Proto-Indo-European
*yugóm
(inherited)
→
Welsh
trigeiniau
(suffix)
→
Welsh
deugeiniau
(suffix)
→
Welsh
ugeiniau
(suffix)