Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
aniar
←
Irish
an
(mention)
←
Irish
iar
(mention)
←
Old Irish
aníar
(inherited)
←
Old Irish
íar
(mention)
←
Old Irish
tíar
(mention)