Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
ořech
←
Proto-Slavic
*orěxъ
(inherited)
→
Czech
ořešník
(affix)
→
Czech
ořechový
(suffix)
→
Czech
oříšek
(affix)
→
Lower Sorbian
wórjech
(cognate)