Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Saterland Frisian
Sidde
←
Old English
sidu
(cognate)
←
West Frisian
side
(cognate)
←
Proto-Germanic
*siduz
(derived)
←
Old Frisian
side
(derived)