Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Norn
tana
←
Proto-Germanic
*þanjaną
(inherited)
←
Proto-Indo-European
*ten-
(derived)
←
Old Norse
þenja
(inherited)