Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
at
←
Irish
(link)
←
Irish
(link)
←
Irish
(link)
←
Irish
(link)
←
Irish
(link)
←
Irish
ataithe
(link)
←
Old Irish
att
(inherited)
←
Old Irish
attaid
(inherited)
←
Old Irish
att
(mention)
→
Irish
atá
(mention)