Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Crumlin
←
Welsh
Crymlyn
(derived)
←
Welsh
cromlech
(mention)
←
Irish
cromghlinn
(derived)
←
Irish
crom
(mention)
←
Irish
léana
(mention)