Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
comhalta
←
Proto-Celtic
*komaltiyos
(inherited)
←
Irish
comhaltacht
(link)
←
Irish
comhaltas
(link)
←
Irish
comhaltaithe
(link)
←
Old Irish
comalta
(inherited)
→
Irish
comhaltacht
(affix)
→
Irish
comhaltas
(affix)