Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
ôf
←
Proto-Germanic
*ab
(inherited)
←
Proto-West Germanic
*ab
(inherited)
←
Old Frisian
af
(inherited)
→
English
off
(mention)
→
Saterland Frisian
ou
(cognate)