1. Porousness.

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

• pirority,
• propity,
• coriosity,
• porrosity,
• promity,
• prosidy,
• piroity,
• verosity,
• furosity,
• porocity,
• proxity,
• gerosity,
• prority,
• porosoty,
• porosityy,
• porostiy,
• porosy,
• amrosity,
• gamosity,
• gylosity

• poorest.

The adjective form of the word "porosity" is "porous".

The plural of the "porosity" can be the "porosities".

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