Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
sgoil
←
Irish
scoil
(cognate)
←
Ancient Greek
σχολή
(derived)
←
Latin
schola
(derived)
←
Old Irish
scol
(inherited)
→
Irish
scoil
(cognate)
→
Scottish Gaelic
àrd-sgoil
(prefix)
→
Scottish Gaelic
fo-sgoil
(prefix)