Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
gníid
←
Proto-Celtic
*gniyeti
(inherited)
←
Proto-Indo-European
*ǵenh₁-
(root)
←
Proto-Indo-European
*ǵenh₁-
(derived)
→
Irish
gnó
(mention)
→
Old Irish
dogní
(prefix)
→
Old Irish
congní
(affix)