Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Welsh
adnabot
←
Proto-Celtic
*[[ati-]][[gninati]]
(derived)
←
Welsh
bod
(mention)
←
Proto-Indo-European
*ǵneh₃-
(root)
←
Proto-Indo-European
*ǵn̥néh₃ti
(inherited)
←
Proto-Indo-European
*ǵneh₃-
(mention)
←
Old Irish
ad·gnin
(cognate)
→
Welsh
adnabod
(inherited)