Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Scottish Gaelic
ath-ghin
←
Scottish Gaelic
ath
(prefix)
←
Scottish Gaelic
gin
(prefix)
←
Proto-Indo-European
*ǵenh₁-
(root)