Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
hienþu
←
Old English
hēan
(suffix)
←
Old English
þu
(suffix)
←
Proto-Germanic
*hauniþō
(inherited)
←
Proto-Germanic
*hauniz
(derived)
←
Old High German
hōnida
(cognate)