Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Czech
hrách
←
Proto-Slavic
*gorxъ
(inherited)
→
Czech
hrachovka
(affix)
→
Czech
hrachový
(affix)
→
Czech
hrachor
(affix)