Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-Germanic
*wōstinī
→
English
westen
(inherited)
→
French
gâtine
(derived)
→
Saterland Frisian
Wüüste
(derived)