Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Proto-West Germanic
*ruskijā
→
English
rush
(inherited)
→
Middle English
risshe
(inherited)
→
Saterland Frisian
Rääske
(derived)