Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
erwähnen
←
German
gewähnen
(mention)
←
Middle High German
gewähenen
(derived)
←
Middle High German
gewahenen
(mention)
←
Proto-West Germanic
*gawahwan
(derived)
←
Old High German
giwahanen
(derived)
←
Old High German
giwahan
(mention)