Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
ob-
←
German
ob#Etymology_2_2
(mention)
←
Latin
ob-
(derived)
→
German
ob
(link)
→
German
obwohl
(affix)
→
German
Obhut
(affix)
→
German
obgleich
(affix)