• w kings,
• 2 jings,
• 2 mings,
• 2 lings,
• 2 oings,
• 2 iings,
• 2 kungs,
• 2 kjngs,
• 2 kkngs,
• 2 kongs,
• 2 k9ngs,
• 2 k8ngs,
• 2 kibgs,
• 2 kimgs,
• 2 kijgs,
• 2 kihgs,
• 2 kinfs,
• 2 kinvs,
• 2 kinbs,
• 2 kinhs

The adjective form of the term "2 Kings" is "kingly".