How to spell IMPORVING correctly?

Possible correct suggestions for the misspelling "imporving" include improving, impervious, impounding, and importing.

• imparting The teacher played an important role in imparting knowledge and skills to her students.
• importing The company is importing products from China to sell in their stores.
• imposing The imposing castle stood tall on the hill, creating an intimidating presence.
• improving

Putrefication

• nitrification
• petrifaction
• purification
• putrefaction
• putrification
• vitrification