Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
sýn
←
Proto-Germanic
*siuniz
(inherited)
←
Proto-Indo-European
*sekʷ-
(root)
→
Old English
sien
(cognate)
→
Danish
syn
(derived)
→
Icelandic
sýn
(inherited)
→
Norwegian Bokmål
syn
(inherited)
→
Norwegian Nynorsk
syn
(inherited)
→
Old Norse
sjá
(link)