Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
poplach
←
Old Irish
popul
(affix)
←
Old Irish
-ach
(affix)
→
Scottish Gaelic
poblach
(inherited)
→
Manx
pobbylagh
(inherited)