Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
West Frisian
foks
←
Proto-Germanic
*fuhsaz
(inherited)
←
Old Frisian
*foks
(inherited)
→
English
fox
(cognate)
→
Saterland Frisian
Foaks
(cognate)