Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*wegrom
→
Welsh
gwair
(inherited)
→
Irish
féar
(inherited)
→
Scottish Gaelic
feur
(inherited)
→
Manx
faiyr
(inherited)
→
Old Irish
fér
(inherited)