Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bulgarian
горък
←
Bulgarian
горя́
(affix)
←
Bulgarian
-ък
(affix)
←
Proto-Slavic
*gorьkъ
(inherited)
→
Bulgarian
горчица
(affix)
→
Bulgarian
горча
(suffix)
→
Bulgarian
горчив
(suffix)