Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
snefald
←
Danish
sne
(compound)
←
Danish
fald
(compound)
←
Old Norse
snjófall
(derived)
←
Old Norse
snæfall
(mention)