Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
raad
←
Manx
bayr
(link)
←
Manx
fo-raad
(link)
←
Old Irish
rót
(inherited)
→
Manx
ard-raad
(affix)
→
Manx
fo-raad
(prefix)