Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Albanian
Erjon
←
Gaulish
īsarno-
(cognate)
←
Proto-Celtic
*īsarno-
(derived)
←
Welsh
haearn
(cognate)
←
English
iron
(cognate)
←
Irish
iarann
(cognate)
←
Albanian
erë
(compound)
←
Albanian
Jon
(compound)
→
Albanian
Erion
(link)