Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
cabhantar
←
English
counter
(borrowed)
←
Old French
conteor
(derived)
←
Latin
computō
(derived)
→
Irish
cuntar
(alter)