Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
fúx
←
Danish
fuks
(borrowed)
←
German
Fuchs
(derived)
←
German
Fux
(mention)
←
German
Feix
(mention)
←
German
Feits
(mention)
←
German
Feist
(mention)
←
English
feist
(mention)
←
Middle High German
vīst
(derived)