Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
aldur
←
Old English
ealdor
(mention)
←
Proto-Germanic
*aldrą
(derived)
←
Old High German
altar
(mention)
←
Proto-Indo-European
*al-
(derived)
←
Proto-Indo-European
*h₂el-
(mention)
←
Old Norse
aldr
(derived)