Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Rätsel
←
German
raten
(affix)
←
German
-sel
(affix)
←
Middle High German
ratsal
(inherited)
←
Proto-West Germanic
*rādislī
(inherited)
←
Old High German
rātisli
(inherited)
→
German
rätselhaft
(suffix)
→
German
rätseln
(mention)