Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
McDuffie
←
Irish
dubh
(mention)
←
Irish
síth
(mention)
←
Scottish Gaelic
Mac Duibshíthe
(derived)
→
English
McDuffy
(mention)
→
English
McGuffey
(mention)