Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
ionaibhse
←
Irish
ionaibh
(affix)
←
Irish
-se
(affix)
→
Scottish Gaelic
annaibhse
(cognate)