Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
rocc
←
Old English
bisċoprocc
(link)
←
Old English
brēostrocc
(link)
←
Old English
edroc
(link)
←
Proto-Germanic
*rukkaz
(inherited)
←
Proto-Germanic
*rukjaną
(derived)
←
Proto-Indo-European
*rewg-
(derived)
→
English
frock
(cognate)
→
English
rochet
(mention)
→
French
froc
(cognate)
→
Old French
froc
(cognate)