Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
Cormac
←
Irish
carbad
(mention)
←
Old Irish
Corbmac
(mention)
←
Old Irish
corb
(mention)
←
Old Irish
macc
(mention)
→
English
Cormac
(derived)
→
English
Cormack
(mention)
→
English
McCormick
(derived)
→
English
Cormick
(mention)
→
English
Cormag
(mention)
→
Irish
Cormac
(inherited)
→
Icelandic
Kormákur
(derived)