Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
daltán
←
Old Irish
daltae
(suffix)
←
Old Irish
án
(suffix)
→
Irish
daltán
(inherited)
→
Scottish Gaelic
daltan
(inherited)