1. Saneness.

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

• sanitze,
• sante,
• sanday,
• vanitiy,
• dianity,
• socity,
• aunity,
• senty,
• sainty,
• sanaty,
• quanity,
• sanitiy,
• sadety,
• safty,
• panity,
• synithy,
• sanat,
• sasiety,
• anuity,
• sanata

• Shanita,
• samnite,
• santi,
• samhita,
• samite,
• sant,
• sandy,
• samet,
• Sandi,
• saint,
• sandt.

The adjective form of the word "sanity" is "sane".

The plural of the "sanity" can be the "sanities".

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