Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
orrasan
←
Irish
orthusan
(cognate)
←
Manx
orroosyn
(cognate)
←
Old Irish
forrusom
(inherited)