Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
Ádam
→
Irish
Ádhamh
(inherited)
→
Scottish Gaelic
Àdhamh
(inherited)
→
Manx
Adaue
(inherited)