Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
boayrd
←
Irish
bord
(cognate)
←
Scottish Gaelic
bòrd
(cognate)
→
Irish
bord
(cognate)
→
Scottish Gaelic
bòrd
(cognate)
→
Manx
ard-voayrd
(prefix)