Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
bú
←
Proto-Indo-European
*bʰuH-
(root)
←
Old Norse
bú
(inherited)
→
Icelandic
búfé
(compound)
→
Icelandic
hænsnabú
(compound)
→
Icelandic
mjólkurbú
(compound)
→
Icelandic
búgarður
(affix)