Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
sullyr
←
Irish
soiléir
(cognate)
←
Scottish Gaelic
soilleir
(cognate)
←
Middle Irish
*soiléir
(inherited)