Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Welsh
Crist
←
Ancient Greek
Χριστός
(derived)
←
Ancient Greek
χριστός
(mention)
→
Breton
Krist
(cognate)
→
Welsh
Oed Grist
(compound)
→
Cornish
Krist
(cognate)