Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
Kjaran
←
English
Ciaran
(cognate)
←
Old Norse
Kjaran
(inherited)
←
Old Irish
Ciarán
(derived)
←
Old Irish
ciar
(mention)