"Poise" is not an incorrect spelling for "Grace." Both denote elegance, but "Grace" often has a spiritual or divine connotation. Key Differences "Poise" is about balance and composure, while "Grace" suggests beauty, elegance, or divine favor.

Graciousness and poise are both qualities that reflect a sense of elegance and refinement in one's behavior. Graciousness is characterized by kindness, tact, and generosity towards others, while poise is the ability to maintain composure and grace under pressure.

"with grace and poise" is a correct and usable phrase in written English. You can use it to indicate someone's dignity or confidence in their behavior or attitude.