Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Serbo-Croatian
-ост
←
Old Church Slavonic
-ость
(cognate)
←
Proto-Slavic
*-ostь
(inherited)
→
Serbo-Croatian
храброст
(affix)
→
Serbo-Croatian
јавност
(affix)
→
Serbo-Croatian
љубазност
(affix)
→
Serbo-Croatian
смртност
(affix)
→
Serbo-Croatian
јаловост
(affix)
→
Serbo-Croatian
јасност
(affix)
→
Serbo-Croatian
претилост
(affix)