Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
celain
←
Proto-Celtic
*kolannis
(inherited)
←
Irish
colainn
(cognate)
←
Middle Welsh
celein
(inherited)
→
Old English
hold
(cognate)