Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
oinniún
←
Old French
[[oingnun]], [[unniun]]
(derived)
←
Latin
ūniō
(derived)
←
Middle Irish
[[uinniún]], [[uinneman]]
(inherited)