Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old English
loc
←
Middle English
lok
(link)
←
Middle English
lokk
(link)
←
Middle English
lock
(link)
←
Proto-Germanic
*luką
(inherited)
→
English
lock
(inherited)
→
English
locker
(inherited)
→
English
locket
(derived)
→
English
Lockwood
(derived)
→
English
Lock
(inherited)
→
Welsh
lloc
(derived)
→
German
Loch
(cognate)
→
French
loquet
(cognate)
→
Old French
loc
(borrowed)
→
Portuguese
aloquete
(derived)