Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
fionnadh
←
Irish
fionna
(mention)
←
Irish
cóta fionnaidh
(link)
←
Irish
fionnadhach
(link)
←
Irish
fionnaitheach
(link)
←
Irish
feann
(link)
←
Old Irish
finnfad
(inherited)