Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Zerfall
←
German
zerfallen
(back-formation)
→
German
Alphazerfall
(compound)
→
German
Zerfallsreihe
(affix)
→
German
Zerfallsenergie
(affix)
→
German
Zerfallsprodukt
(affix)