Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
corcur
←
Latin
purpura
(borrowed)
←
Old Irish
cruimther
(mention)
→
Welsh
porffor
(cognate)
→
Faroese
korki
(derived)
→
Irish
corcair
(inherited)