How to spell KNEN correctly?

The misspelling "knen" could be corrected to "knee" which refers to the joint between the thigh and the lower leg in humans. Another correct suggestion could be "ken" which means one's range of knowledge, understanding or sight. It could also be corrected to "keno", a popular lottery-like gambling game.

• keen
• ken He has a deep ken of the latest technological advancements.
• knee She scraped her knee during the fall.
• Knew I knew she was lying to me about the missing money.

Putrefication

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