• spilly,
• spilways,
• apillway,
• zpillway,
• xpillway,
• spilleway,
• spillwasy,
• spilway,
• spillwey,
• spillwayz,
• spillwaye,
• shillay,
• Spillomaa,
• Spilomam,
• Apillay,
• Pillywhy,
• spilwway,
• spilwaay,
• spillewae,
• spilwey

• spalla,
• spall,
• spoil,
• spell,
• splay,
• spill.

The adjective form of the word "spillway" is "spillway".

The plural of the "spillway" can be the "spillways".

The singular of the "spillway" can be the "spillway".