Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
ratfragen
←
German
Rat
(compound)
←
German
fragen
(compound)
←
Middle High German
rātvrāgen
(inherited)
←
Old High German
rātfrāgōn
(inherited)