Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
trasna
←
Middle Irish
tarsna
(inherited)
←
Old Irish
tarsno
(inherited)
→
Irish
trasnamhéadracht
(affix)
→
Irish
trasnamhéadar
(affix)
→
Irish
trasnán
(affix)