Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
North Frisian
nåcht
←
Proto-Germanic
*nahts
(derived)
←
Proto-Indo-European
*nókʷts
(derived)
←
Old Frisian
nacht
(derived)