Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Helga
←
English
Olga
(doublet)
←
Old Norse
Helga
(derived)
←
Old Norse
Helgi
(mention)
→
English
Olga
(doublet)
→
Finnish
Aili
(cognate)
→
Northern Sami
Áile
(mention)