Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
laf
←
Proto-Germanic
*lappa-
(derived)
←
Proto-Indo-European
*leb-
(derived)
←
Icelandic
lafa
(doublet)
←
Old Norse
laf
(inherited)