src/Russian/NounDeclension.php
public static function declinateThirdDeclension($word)
    {
        $word = S::lower($word);
        $prefix = S::slice($word, 0, -1);
        return [
            Cases::IMENIT => $word,
            Cases::RODIT => $prefix.'и',
            Cases::DAT => $prefix.'и',
            Cases::VINIT => $word,
            Cases::TVORIT => $prefix.'ью',
            Cases::PREDLOJ => $prefix.'и',
        ];
    }
public static function declinateThirdDeclension($word)
    {
        $word = S::lower($word);
        $prefix = S::slice($word, 0, -1);
        return [
            Cases::IMENIT => $word,
            Cases::RODIT => $prefix.'и',
            Cases::DAT => $prefix.'и',
            Cases::VINIT => $word,
            Cases::TVORIT => $prefix.'ью',
            Cases::PREDLOJ => $prefix.'и',
        ];
    }
Получение всех форм слова третьего склонения.
@param $word
@return array