Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
oirnne
←
Irish
orainne
(cognate)
←
Manx
orrinyn
(cognate)
←
Old Irish
forunni
(inherited)