Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
láine
←
Irish
comhláine
(link)
←
Proto-Indo-European
*pleh₁-
(root)
←
Old Irish
láine
(inherited)
→
Irish
lán
(link)
→
Irish
comhláine
(affix)