Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Manx
uinnag
←
Irish
fuinneog
(cognate)
←
Scottish Gaelic
uinneag
(cognate)
←
Middle Irish
fuindeóc
(inherited)
←
Old Norse
vindauga
(derived)