Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
urra
←
Old Irish
aurrae
(inherited)
←
Old Irish
fine
(mention)
←
Old Irish
túath
(mention)
→
Irish
urraigh
(suffix)
→
Irish
urrús
(mention)