• qash room,
• aash room,
• sash room,
• eash room,
• 3ash room,
• 2ash room,
• wzsh room,
• wssh room,
• wwsh room,
• wqsh room,
• waah room,
• wazh room,
• waxh room,
• wadh room,
• waeh room,
• wawh room,
• wasg room,
• wasb room,
• wasn room,
• wasj room

The adjective form of "wash room" is "washroom".

The plural form of the word "wash room" is "wash rooms"

The singular form of the word "wash room" is "washroom"