Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
tarnen
←
Middle High German
tarnen
(inherited)
←
Proto-West Germanic
*darnijan
(inherited)
←
Old High German
tarnen
(inherited)
→
English
dern
(cognate)
→
German
enttarnen
(prefix)