Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cuán
←
Irish
cú
(affix)
←
Irish
-án
(affix)
←
Irish
cuán mara
(link)
←
Irish
cuain
(link)
←
Old Irish
cúán
(inherited)