Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
fota
←
Old Irish
fot
(mention)
←
Old Irish
fota
(mention)
←
Old Irish
foto
(mention)
←
Old Irish
foto
(mention)
→
Irish
fada
(inherited)
→
Scottish Gaelic
fada
(inherited)
→
Manx
foddey
(inherited)
→
Old Irish
fota
(mention)