Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Matt
←
German
Motte
(cognate)
←
English
moth
(cognate)
←
Middle High German
motte
(inherited)
←
Dutch
mot
(cognate)