Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Middle High German
gücken
→
German
gucken
(inherited)
→
Luxembourgish
kucken
(inherited)
→
Yiddish
קוקן
(inherited)