Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Carlo
←
English
Charles
(doublet)
←
Italian
Carlo
(borrowed)
←
Latin
Carolus
(derived)
→
English
Carlos
(link)
→
English
Carl
(link)