Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
plattdeutsch
←
German
platt
(compound)
←
German
deutsch
(compound)
→
German
Plattdeutsch
(mention)
→
Norwegian Bokmål
plattysk
(derived)
→
Norwegian Nynorsk
plattysk
(derived)