Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
corraigh
←
Scottish Gaelic
caraich
(cognate)
←
Middle Irish
corrach
(derived)
→
Irish
sochorraithe
(affix)
→
Irish
sochorraitheacht
(affix)
→
Scottish Gaelic
caraich
(cognate)