1. The quality or state of being common or usual.

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

• commoness,
• commones,
• xommonness,
• vommonness,
• fommonness,
• dommonness,
• cimmonness,
• commonnesss,
• comonness,
• commonnses,
• commonagess,
• comonnness,
• commaness,
• commonsness,
• comoneness,
• comenness,
• Condonness,
• Commonned,
• wommnness,
• Commonneces

• common camas,
• common sage,
• common stock,
• commingle,
• comenius,
• communize,
• communist,
• common sense,
• commensal,
• common salt,
• communism,
• common canary,
• common scoter,
• comanche,
• common shrew,
• common sorrel,
• common shares,
• communise,
• common snipe,
• commonest,
• commons,
• common seal,
• commonage,
• common scold,
• common ginger,
• commence,
• common oak,
• common shiner,
• commonsense,
• common osier,
• common wasp,
• common axe,
• common ax.

The adjective form of the word "commonness" is "common".

The plural of the "commonness" can be the "commonnesses".

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