Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
luft
←
Proto-Germanic
*luftuz
(inherited)
←
Proto-West Germanic
*luftu
(inherited)
→
Saterland Frisian
Luft
(inherited)