Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Slange
←
Proto-Germanic
*slangô
(derived)
←
Old Frisian
*slange
(derived)
←
Old Frisian
*slanga
(mention)