Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
segn
←
Proto-Indo-European
*sekʷ-
(root)
←
Icelandic
sögn
(cognate)
←
Old Norse
sǫgn
(inherited)
←
Swedish
sägen
(cognate)
→
Norwegian Nynorsk
segne
(mention)