Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Celtic
*anderā
→
English
andiron
(derived)
→
Welsh
anner
(inherited)
→
Irish
ainnir
(inherited)
→
Scottish Gaelic
ainnir
(inherited)
→
Old Irish
ainder
(inherited)