Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
weihhen
→
Cimbrian
bòochan
(inherited)
→
German
weichen
(inherited)
→
Luxembourgish
weechen
(inherited)