Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
víg
←
Proto-Indo-European
*weyk-
(inherited)
←
Old Norse
víg
(inherited)
→
Icelandic
vígvöllur
(compound)
→
Icelandic
vígahnöttur
(affix)