Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Latin
troppus
←
Proto-Germanic
*þurpą
(derived)
←
Proto-Germanic
*þruppaz
(derived)
←
Proto-Germanic
*þrubą
(mention)