• warikei,
• warakei,
• warekei,
• wirikei,
• wairaki,
• waurakei,
• wayrakei,
• waireki,
• wairiki,
• wairakai

• warehousing,
• warrior,
• weary,
• Warehoused,
• wakey,
• warehouse,
• whirr,
• warlike,
• werewolf,
• weariness,
• worrying,
• wacky,
• wayward,
• warlock,
• whale.

The adjective form of "wairakei" would be "wairakeian".

The plural form of the word "wairakei" is "wairakeis".

The singular form of the word "wairakei" is "wairakei". It is already a singular noun, which refers to a geothermal field in New Zealand.