Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*reutaną
→
English
rout
(cognate)
→
English
rout
(derived)
→
Old English
reotan
(inherited)
→
Danish
ride
(derived)