Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
Conn
←
Proto-Celtic
*Kunowalos
(derived)
←
Old Irish
Conall
(mention)
→
Irish
Conn
(inherited)
→
Old Irish
Connachta
(affix)