Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
roinnt
←
Irish
roinn
(mention)
←
Middle Irish
roinded
(inherited)
←
Old Irish
rann
(inherited)
→
Irish
roinn
(mention)