Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
saegul
←
Latin
saeculum
(borrowed)
→
Irish
saol
(inherited)
→
Scottish Gaelic
saoghal
(inherited)
→
Manx
seihll
(inherited)