nkterých

nkterých is the non-diacritic rendering of the Czech word některých, the genitive plural form of the determiner některý meaning "some" or "certain." It marks a subset within a larger group and agrees with the noun it modifies in case. It is most commonly found before a noun in genitive plural, as in některých lidí ("of some people"). It can also appear in expressions such as některý z nás ("some of us"), where the determiner is used with a singular form.

Grammar and usage: některý behaves like an adjective and is declined accordingly. The genitive plural form is některých, used with nouns in genitive plural. The corresponding forms in other cases and numbers vary by gender and number: some common related forms include některý (masc. sg nom), některá (fem. sg nom or neuter nom), některé (neuter sg nom or fem/pl), and někteří (masc. pl nom). The word is versatile for introducing unspecified subsets and is frequent in formal and written Czech, as well as in everyday speech when referring to a subset.

Etymology and related forms: the Czech některý is cognate with similar words in other West Slavic languages, such as Polish niektóry and Slovak niektorý/niektorí, all serving a similar function meaning "some" or "certain." In standard modern Czech, diacritics are normally used; nkterých is simply the diacritics-free variant of některých, encountered in texts where diacritics are removed or unavailable.