Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
tréischten
←
German
trösten
(cognate)
←
Proto-Germanic
*traustą
(derived)
←
Middle High German
trœsten
(inherited)
←
Old High German
trōsten
(inherited)
←
Old High German
trōst
(mention)
←
Dutch
troosten
(cognate)