Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Frisian
werm
→
North Frisian
wörem
(derived)
→
West Frisian
wjirm
(inherited)
→
Saterland Frisian
Wuurm
(mention)