Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
deka
←
Czech
dečka
(link)
←
Czech
psí dečka
(link)
←
Czech
dekagram
(link)
←
Middle High German
decke
(borrowed)
←
Old Czech
deka
(inherited)