How do you spell pewny?

"Pewny" is not a standard English word. If you are trying to spell a word that sounds like "pewny," it's likely a misspelling of one of these words:

* Penny: A unit of currency.

* Puny: Small, weak, or insignificant.

* Peony: A type of flower.

Could you please provide more context or information about the word you are trying to spell?