Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
eclais
←
Ancient Greek
ἐκκλησίᾱ
(derived)
←
Latin
ecclēsia
(borrowed)
→
Irish
eaglais
(inherited)
→
Scottish Gaelic
eaglais
(inherited)
→
Manx
agglish
(inherited)