Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
olann
←
Proto-Celtic
(inherited)
←
Proto-Celtic
*wlanā
(mention)
←
Proto-Indo-European
*h₂wĺ̥h₁neh₂
(inherited)
→
Irish
olann
(inherited)
→
Scottish Gaelic
olann
(inherited)