Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old High German
bah
→
English
back
(cognate)
→
German
Bache
(derived)
→
German
Bach
(inherited)
→
Luxembourgish
Baach
(derived)
→
Mòcheno
pòch
(inherited)