Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
weit
←
Old High German
*wīd
(inherited)
←
Old High German
wīt
(mention)
←
Luxembourgish
wäit
(mention)
→
Luxembourgish
wäit
(mention)