Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
measarthacht
←
Irish
measartha
(affix)
←
Irish
-acht
(affix)
←
Scottish Gaelic
measarrachd
(cognate)
→
Irish
neamh-mheasarthacht
(affix)
→
Irish
ainmheasarthacht
(affix)
→
Scottish Gaelic
measarrachd
(cognate)