Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
peidio
←
Proto-Brythonic
*pat-
(inherited)
←
Welsh
-io
(mention)
←
Proto-Indo-European
*kʷyeh₁-
(inherited)