Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
beacn
←
Proto-Germanic
*baukną
(inherited)
←
Old High German
bouhhan
(cognate)
←
Old Frisian
bāken
(cognate)
←
Old Saxon
bōkan
(cognate)