1. One who rises; the upright board of a stair.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• riuver,
• diser,
• riase,
• risqe,
• curiser,
• risies,
• risde,
• preser,
• rvier,
• eaiser,
• eraiser,
• risj,
• brwser,
• rised,
• rrise,
• uuser,
• resor,
• fraiser,
• righr,
• reser

• Rizor,
• reiser,
• richer,
• Riker,
• rizer,
• ricer,
• risher,
• rieser,
• rieger,
• risser,
• Ricker,
• raiser,
• rigor,
• rigour,
• rigger.

The adjective form of the word "riser" is "rising".

The plural of the "riser" can be the "risers".

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