Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
teigur
←
Old Norse
teigr
(derived)
→
Icelandic
vítateigur
(compound)
→
Icelandic
markteigur
(compound)