Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Primitive Irish
-ᚐᚌᚅᚔ
←
Welsh
-an
(mention)
→
Irish
-án
(inherited)
→
Scottish Gaelic
-an
(inherited)
→
Manx
-an
(inherited)
→
Manx
-ane
(inherited)
→
Old Irish
-án
(inherited)