Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
bytta
←
Old Norse
bytta
(inherited)
→
Icelandic
blekbytta
(compound)
→
Icelandic
fyllibytta
(compound)