Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
armóin
←
Old French
harmonie
(derived)
←
Old French
armonie
(mention)
←
Ancient Greek
ἁρμονία
(derived)
←
Latin
harmonia
(derived)
→
Irish
armónach
(affix)
→
Irish
armónaí
(affix)