Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Swedish
Näcken
←
Proto-Germanic
*nikwiz-
(derived)
←
Proto-Indo-European
*nigʷ-
(derived)
←
Old Norse
nykr
(derived)
→
Finnish
näkki
(mention)
→
Icelandic
nykur
(cognate)