Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
hreþ
←
Proto-Germanic
*hrōþiz
(inherited)
←
Old High German
hruodi
(cognate)
←
Old Norse
hróðr
(cognate)