Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
galdor
←
Proto-West Germanic
*galdr
(inherited)
←
Proto-Indo-European
*gʰel-
(root)
→
English
galdr
(cognate)
→
Old English
galdre
(compound)
→
Middle English
galder
(inherited)
→
Icelandic
galdur
(mention)
→
Old Norse
galdr
(cognate)