Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
German
eitel
←
English
idle
(cognate)
←
Proto-Germanic
*īdalaz
(derived)
←
Middle High German
ītel
(derived)
←
Old High German
ītal
(derived)
←
Luxembourgish
eidel
(cognate)
←
Dutch
ijdel
(cognate)
→
English
idle
(cognate)
→
German
Eitelkeit
(affix)
→
German
uneitel
(prefix)
→
Luxembourgish
eidel
(cognate)
→
Dutch
ijdel
(cognate)