反故

Etymology 1

 * [pongu] > [ɸongu] > [hongu]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless

Etymology 2

 * [poːgu] > [ɸoːgu] > [hoːgu]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless
 * 1) something that is useless
 * 1) something that is useless

Etymology 3

 * [pogu] > [ɸogu] > [hogu]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless

Etymology 4

 * [pongo] > [ɸongo] > [hongo]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless
 * 1) something that is useless

Etymology 5

 * [poːgo] > [ɸoːgo] > [hoːgo]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless

Etymology 6

 * [pogo] > [ɸogo] > [hogo]

Noun

 * 1) paper that has become useless; wastepaper
 * 2) something that is useless
 * 1) something that is useless
 * 1) something that is useless
 * 1) something that is useless

Usage notes
This is the most common reading in modern Japanese.