Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
flécken
←
German
flicken
(cognate)
←
Middle High German
vlicken
(inherited)
←
Luxembourgish
Fleck
(mention)
→
Luxembourgish
Fléck
(mention)