Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
sýna
←
Proto-Indo-European
*sekʷ-
(root)
←
Old Norse
sýnn
(mention)
→
Danish
syne
(derived)
→
Norwegian Nynorsk
syna
(derived)
→
Old Norse
sýning
(suffix)
→
Swedish
synas
(mention)
→
Swedish
syna
(inherited)