Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
fás
→
Irish
fásach
(mention)
→
Irish
fásach
(mention)
→
Irish
fás
(inherited)
→
Scottish Gaelic
fàs
(inherited)