Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*baukn
→
English
beck
(inherited)
→
English
beacon
(inherited)
→
English
beckon
(mention)
→
German
Bake
(derived)