Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
dunn
←
German
da
(cognate)
←
Middle High German
duo
(inherited)
←
Middle High German
dō
(mention)
←
Luxembourgish
dann
(mention)
←
Dutch
toen
(cognate)
→
Dutch
toen
(cognate)