Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Indo-European
*pleyn-
→
Old English
flan
(derived)
→
Norwegian Bokmål
flein
(inherited)
→
Scots
flane
(derived)