Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
meldian
←
Proto-West Germanic
*melþōn
(inherited)
→
English
meld
(cognate)
→
Old English
melda
(suffix)
→
Low German
mellen
(cognate)