Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Danish
tjekke
←
Czech
Čech
(derived)
←
Danish
tjekker
(link)
←
German
Tscheche
(borrowed)
←
English
check
(borrowed)
→
Danish
tjekket
(mention)