-ства

• -цтва (-ctva) — when added to a word ending in -т, -ц(ь), or -к
• -ство́ (-stvó) — when stressed

From Proto-Slavic *-ьstvo. Cognate with Russian -ство (-stvo), Polish -stwo.

-ства • (-stva)

1. Used to form abstract nouns; -kind, -hood, -dom.

   ‎чалаве́к (čalavjék, “man”) + ‎-ства (-stva) → ‎чалаве́цтва (čalavjéctva, “mankind”)

See the etymology of the corresponding lemma form.

-ства • (-stva) n

1. inflection of -ство (-stvo):
   1. genitive singular
   2. nominative/accusative/vocative plural