Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Norse
bólstr
←
Proto-Germanic
*bulstraz
(inherited)
←
Proto-Indo-European
*bʰelǵʰ-
(root)
←
Proto-Indo-European
*bʰelǵʰ-
(derived)
→
Icelandic
bólstur
(derived)
→
Swedish
bolster
(inherited)