Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Saxon
rok
←
Proto-Germanic
*raukiz
(inherited)
←
Proto-West Germanic
*rauki
(inherited)
←
Old Dutch
rouc
(mention)
→
French
froc
(cognate)
→
Old French
froc
(cognate)
→
Swedish
rock
(derived)