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