Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
rosten
←
Middle High German
rosten
(inherited)
←
Old High German
rostēn
(inherited)
←
Proto-Indo-European
*h₁rewdʰ-
(root)
→
German
verrosten
(prefix)
→
German
einrosten
(affix)
→
Luxembourgish
raschten
(cognate)