Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
urlár
←
Scottish Gaelic
ùrlar
(cognate)
←
Proto-Indo-European
*pleh₂-
(root)
←
Middle Irish
urlár
(inherited)
→
English
floor
(cognate)
→
Scottish Gaelic
ùrlar
(cognate)