Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
bewahren
←
German
be
(prefix)
←
German
wahren
(prefix)
←
Proto-Germanic
*biwarōną
(inherited)
←
Middle High German
bewarn
(inherited)
←
Old High German
biwarōn
(inherited)
→
German
wahren
(cognate)
→
Swedish
bevara
(cognate)