Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cor
←
Old Irish
cor
(inherited)
←
Old Irish
fo·ceird
(mention)
→
English
ker-
(cognate)
→
Irish
anchor
(prefix)
→
Irish
casadh
(link)