Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
gewealcan
←
Old English
ġe
(prefix)
←
Old English
wealcan
(prefix)
←
Old English
weallian
(cognate)
←
Proto-Germanic
*ga-
(derived)
←
Proto-Germanic
*walkaną
(mention)
←
Old High German
walchan
(cognate)
←
Proto-Indo-European
*wolg-
(derived)
←
Proto-Indo-European
*welg-
(mention)
←
Old Norse
valka
(cognate)