Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
fögel
←
North Frisian
föögel
(cognate)
←
West Frisian
fûgel
(cognate)
←
Old Frisian
fugel
(inherited)
←
Saterland Frisian
Fuugel
(cognate)