Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
acmhainn
←
Old Irish
accmaing
(inherited)
←
Old Irish
ad·cumaing
(mention)
→
Irish
cumas
(link)
→
Irish
acmhainneacht
(affix)
→
Irish
acmhainneach
(affix)
→
Irish
acmhainneach
(affix)
→
Irish
anacmhainn
(affix)