Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
English
Gerlach
←
English
Gerlac
(alter)
←
English
Gerlache
(alter)
←
Proto-Germanic
*gaizaz
(derived)
←
Proto-Germanic
*laiko-
(derived)
←
Proto-Germanic
*laikaną
(derived)