Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
blais
←
Irish
blastóir
(link)
←
Old Irish
mlasid
(inherited)
→
Irish
blasta
(affix)
→
Irish
blastóir
(affix)