Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
feill
←
Irish
feoil
(cognate)
←
Scottish Gaelic
feòil
(cognate)
←
Old Irish
feóil
(inherited)
→
Irish
feoil
(cognate)
→
Scottish Gaelic
feòil
(cognate)