Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Unkraut
←
German
un-
(affix)
←
German
Kraut
(affix)
←
Old High German
unkrūt
(inherited)
→
Danish
ukrudt
(cognate)
→
German
unkrautartig
(affix)
→
German
Unkrautsäer
(affix)
→
Pennsylvania German
Ungraut
(cognate)