Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*wardōną
→
English
ward
(inherited)
→
English
reward
(derived)
→
Norwegian Nynorsk
varde
(inherited)
→
Romanian
gardă
(derived)