Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cáis
←
Irish
cáis uachtair
(link)
←
Irish
cáis Eilvéiseach
(link)
←
Latin
cāseus
(derived)
←
Old Irish
cáise
(inherited)