Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
casar
←
Scottish Gaelic
casair
(alter)
←
Scottish Gaelic
casaire
(alter)
←
Scottish Gaelic
(alter)
←
Scottish Gaelic
Arran
(alter)
←
Old Irish
casúr
(inherited)
→
Irish
casúr
(cognate)