Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
scioból
←
Breton
skiber
(cognate)
←
Middle Cornish
skyber
(cognate)
←
Welsh
ysgubor
(cognate)
←
Latin
scōpa
(derived)
→
Welsh
ysgubor
(cognate)