• jindful,
• mindful,
• lindful,
• oindful,
• iindful,
• kundful,
• kjndful,
• kkndful,
• kondful,
• k9ndful,
• k8ndful,
• kibdful,
• kimdful,
• kijdful,
• kihdful,
• kinsful,
• kinxful,
• kincful,
• kinfful,
• kinrful

• mindful,
• respectful,
• peaceful,
• grateful,
• gentle,
• thoughtful,
• successful,
• helpful,
• kind.

The adjective form of the word "kindful" is "kindful". However, it is worth noting that "kindful" is not a commonly used word, and the more common adjective form of "kind" is simply "kind".