1. One who works in lead.

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

• lember,
• plamer,
• slamber,
• nhumber,
• lumbor,
• plumbng,
• pluber,
• aslumber,
• plumbig,
• plubmer,
• plumbled,
• plummber,
• plumers,
• plummers,
• pumber,
• plunber,
• plumbe,
• nyumber,
• plumbin,
• plummbed

• plumbery,
• plumbic,
• plumbing,
• plumbed,
• plumb line,
• plump,
• plumb,
• plumbago,
• plumbism,
• plumb bob,
• plumb rule,
• plumbous,
• plumbable.

The adjective form of the word "plumber" would be "plumbing". For example, a plumber's job involves plumbing tasks.

The plural of the "plumber" can be the "plumbers".

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