Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*krumô
→
English
crumb
(inherited)
→
Old English
cruma
(inherited)
→
Middle English
crome
(inherited)
→
Middle High German
Krümel
(derived(gmh/de))