Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
oráid
←
Irish
óráid
(mention)
←
Latin
ōrātiō
(derived)
←
Old Irish
oráit
(inherited)
→
Irish
óráid
(mention)