Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
sparán
←
Scottish Gaelic
sporan
(cognate)
←
Ancient Greek
βύρσα
(derived)
←
Middle Irish
sparán
(inherited)
→
Scottish Gaelic
sporan
(cognate)