Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle Irish
día lúain
←
Latin
diēs Lūnae
(borrowed)
→
Irish
Dé Luain
(inherited)
→
Manx
Jelune
(inherited)