Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
geaylin
←
Irish
gualainn
(cognate)
←
Scottish Gaelic
gualann
(cognate)
←
Middle Irish
gúala
(inherited)
→
Irish
gualainn
(cognate)
→
Scottish Gaelic
gualann
(cognate)