Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
cumhang
←
Proto-Celtic
*komingus
(inherited)
←
Welsh
cyfyng
(cognate)
←
Proto-Indo-European
*h₂enǵʰ-
(root)
←
Proto-Indo-European
*ḱóm
(inherited)
←
Proto-Indo-European
*h₂enǵʰ-
(mention)
←
Old Irish
cumung
(inherited)
→
English
Colquhoun
(mention)