Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
cáelán
←
Old Irish
cáel
(suffix)
←
Old Irish
án
(suffix)
→
Scottish Gaelic
caolan
(inherited)
→
Manx
collane
(inherited)