Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Pirsch
←
German
pirschen
(back-formation)
←
German
Birs
(mention)
←
Middle High German
birse
(cognate)
←
Middle High German
berse
(mention)