Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
riar
←
Old Irish
ríar
(inherited)
→
Irish
féinriar
(affix)
→
Irish
riarthóir
(suffix)
→
Irish
réir
(mention)
→
Irish
athriar
(affix)