Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
Faamen
←
North Frisian
foom
(cognate)
←
West Frisian
faam
(cognate)
←
Proto-West Germanic
*faimnijā
(derived)
←
Old Frisian
famne
(derived)