Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Faroese
summar
←
Proto-Germanic
*sumaraz
(derived)
←
Proto-Indo-European
(mention)
←
Proto-Indo-European
*sm̥-h₂-ó-
(derived)
←
Old Norse
sumar
(derived)
←
Old Norse
sumarr
(mention)