Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cúis
←
Latin
causa
(derived)
←
Middle Irish
cúis
(inherited)
←
Old Irish
[[caus]], [[cauis]]
(inherited)
→
Irish
féinchúis
(affix)
→
Irish
mórchúis
(affix)
→
Irish
fochúis
(affix)