Compare these two constructions:

Он полон страстнейшей силы.

Он полон страстнейшею силы.

What's going on here? As far as I can tell, both are feminine, "творительный падеж"...so why are there two options? Is the second an archaic form or does it have an actual usage that escapes me here?

  • Силы is genitive. Commented Oct 29, 2020 at 8:26
  • 1
    Down-voting, since you basically don't explain why exactly you consider both forms valid. Without context it looks like you are providing two sentences, one is just wrong - and then asking "what's going on here" ?
    – shabunc
    Commented Oct 29, 2020 at 10:57

2 Answers 2


The second one seems wrong to me due to lack of agreement between noun an adjective. Он полон страстнейшею силою (силой) is an option, since I think полон allows both творительный и родительный падежи

  • Thanks for the answer, Yaroslav. A follow-up question: Would you say that силой is a normal form and силою is a poetic one?
    – mig81
    Commented Oct 31, 2020 at 19:50
  • Something like that. I wouldn't say normal, I would say standard/unmarked vs poetic, meaning either higher register or one that can be used in poetry because of rhyme or metre restrictions. Commented Oct 31, 2020 at 19:54


Именительный падеж


Родительный падеж


Дательный падеж


Винительный падеж


Творительный падеж

Страстнейшею, Страстнейшей

Предложный падеж


After полон you can use either

родительный падеж(genitive) полон чего? страстнейшей силы

or творительный (instrumental) полон чем? страстнейшей силой

and страстнейшею силою /силой ( this one is mostly used in poetry or folklore)

Compare a tale by Pushkin

Пришел невод с одною рыбкой,непростою рыбкой, золотою.

Hope it helps.

  • Thank you for the answer, V.V. You kind of blew my mind with the distinction between полон чего and полон чем which I actually never considered. :)
    – mig81
    Commented Oct 31, 2020 at 19:52

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