Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Speech
←
German
Speiche
(cognate)
←
English
spoke
(cognate)
←
Old High German
speihha
(derived)
←
Dutch
spaak
(cognate)