Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
ro·finnadar
→
Welsh
gwn
(cognate)
→
Irish
feas
(mention)
→
Irish
feadair
(mention)
→
Irish
feasainn
(mention)
→
Middle Irish
finnaid
(inherited)