Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
elo
←
German
allda
(cognate)
←
Middle High German
aldā
(inherited)
←
Middle High German
al
(mention)
←
Middle High German
dā
(mention)
←
Luxembourgish
all
(mention)
←
Luxembourgish
do
(mention)
←
Dutch
aldaar
(cognate)