Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
lia
←
Proto-Celtic
*ɸlīyos
(inherited)
←
Proto-Indo-European
*pleh₁-
(root)
←
Proto-Indo-European
*[[pleh₁-]][[-yōs|yōs]]
(inherited)
→
Irish
lia
(inherited)