Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
Eòghan
←
Proto-Celtic
*Esugenos
(inherited)
→
English
Ewan
(borrowed)
→
Irish
Eoghan
(cognate)
→
Scottish Gaelic
-an
(mention)