Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
láir
←
Proto-Celtic
(inherited)
←
Albanian
pelë
(cognate)
→
Irish
láir
(inherited)
→
Scottish Gaelic
làir
(inherited)
→
Manx
laair
(inherited)