Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Icelandic
kakkalakki
←
Danish
kakerlak
(borrowed)
←
Dutch
kakkerlak
(derived)
→
Swedish
kackerlacka
(cognate)