Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
metzeln
←
Middle High German
metzelen
(inherited)
→
English
massacre
(cognate)
→
German
Gemetzel
(affix)
→
German
niedermetzeln
(prefix)
→
Middle French
massacre
(cognate)