Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
etwelche
←
German
et-
(mention)
←
German
welcher
(mention)
←
Middle High German
eteswilch
(inherited)
←
Old High German
etteswelih
(inherited)