Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Mulm
←
Low German
molm
(borrowed)
←
Dutch
molm
(cognate)
→
German
mulmig
(affix)
→
Old Norse
malmr
(cognate)