Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
plätten
←
Middle Low German
pletten
(derived)
←
Hunsrik
plette
(cognate)
←
Dutch
pletten
(cognate)
→
German
Plätte
(mention)