Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
feaill
←
Irish
féile
(cognate)
←
Scottish Gaelic
fèill
(cognate)
←
Proto-Indo-European
*weǵ-
(root)
←
Proto-Indo-European
*weǵ-
(derived)
←
Latin
vigilia
(derived)
←
Latin
vigil
(mention)
←
Old Irish
féil
(inherited)
→
Scottish Gaelic
fèill
(cognate)