Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
úr
→
Irish
úr
(inherited)
→
Irish
úir
(inherited)
→
Scottish Gaelic
ùr
(inherited)
→
Manx
ooir
(inherited)