Proto-Slavic *-ostь

→ Belarusian -осць (inherited)

→ Czech -ost (inherited)

→ Old Church Slavonic бъдрость (affix)

→ Old Church Slavonic -ость (inherited)

→ Macedonian -ост (inherited)

→ Polish miłość (mention)

→ Polish -ość (inherited)

→ Polish bladość (mention)

→ Romanian dragoste (affix)

→ Russian ярость (mention)

→ Russian -ость (inherited)

→ Russian крепость (mention)

→ Russian хитрость (mention)

→ Serbo-Croatian -ost (inherited)

→ Serbo-Croatian -ост (inherited)

→ Serbo-Croatian jarost (mention)

→ Slovak -osť (inherited)

→ Slovene -ost (inherited)

→ Ukrainian -ість (inherited)

→ Old Armenian -ստ (mention)

→ Old Polish bladość (mention)