Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Modder
←
German
Moder
(doublet)
←
Middle Low German
modder
(derived)
←
German Low German
modder
(borrowed)
→
German
Moder
(doublet)
→
German
Kuddelmuddel
(cognate)