Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Irish
Niall
←
Old Irish
Níall
(inherited)
←
Old Irish
nél
(mention)
←
Old Irish
niadh
(mention)
→
English
Neil
(derived)
→
English
Neill
(derived)