Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
searc
←
Irish
ball seirce
(link)
←
Irish
duailín seirce
(link)
←
Irish
foráil seirce
(link)
←
Irish
snaidhm seirce
(link)
←
Old Irish
serc
(inherited)