Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
caochail
←
Irish
claochlaigh
(cognate)
←
Manx
caghlaa
(cognate)
←
Middle Irish
clóemchloid
(inherited)
←
Old Irish
con·imchloí
(inherited)
→
Scottish Gaelic
eug
(link)
→
Manx
caghlaa
(cognate)