Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
fichetmad
→
Irish
fichiú
(inherited)
→
Scottish Gaelic
ficheadamh
(inherited)
→
Manx
feedoo
(inherited)