Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
romhainn
←
Middle Irish
[[romainn]], [[remainn]], [[remunn]], [[riun]]
(inherited)
←
Old Irish
reunn
(inherited)
→
Irish
romhainne
(affix)