Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
Bruar
←
West Frisian
brea
(cognate)
←
Proto-Germanic
*braudą
(inherited)
←
Old Frisian
brād
(inherited)
←
Saterland Frisian
Brad
(cognate)