Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
Ärger
←
German
ärgern
(back-formation)
→
German
Ärgernis
(suffix)
→
Luxembourgish
Ierger
(derived)
→
Saterland Frisian
Äärger
(cognate)