Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norwegian Nynorsk
søvnig
←
Proto-Indo-European
*swep-
(derived)
←
Old Norse
svefnugr
(derived)
←
Old Norse
svefn
(mention)