Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
feur
←
Proto-Celtic
*wegrom
(inherited)
←
Proto-Indo-European
*h₂weg-
(root)
←
Proto-Indo-European
*h₂weg-
(derived)
←
Old Irish
fér
(inherited)
→
Irish
féar
(cognate)
→
Scottish Gaelic
feur-itheach
(affix)