| Adim | A diminished | Intermediate | dim | A C D# |
| Aº7 | A diminished seventh | Advanced | º7 | A C D# F# |
| Abdim | A flat diminished | Intermediate | dim | Ab B D |
| Abº7 | A flat diminished seventh | Advanced | º7 | Ab B D F |
| Abm7b5 | A flat minor seventh flat five | Intermediate | m7b5 | Ab B D Gb |
| Am7b5 | A minor seventh flat five | Intermediate | m7b5 | A C D# G |
| A#dim | A sharp diminished | Intermediate | dim | A# C# E |
| A#º7 | A sharp diminished seventh | Advanced | º7 | A# C# E G |
| A#m7b5 | A sharp minor seventh flat five | Intermediate | m7b5 | A# C# E G# |
| Bdim | B diminished | Intermediate | dim | B D F |
| Bº7 | B diminished seventh | Advanced | º7 | B D F G# |
| Bbdim | B flat diminished | Intermediate | dim | Bb Db E |
| Bbº7 | B flat diminished seventh | Advanced | º7 | Bb Db E G |
| Bbm7b5 | B flat minor seventh flat five | Intermediate | m7b5 | Bb Db E Ab |
| Bm7b5 | B minor seventh flat five | Intermediate | m7b5 | B D F A |
| Cº7\A | C (with A added as the lower note) diminished seventh | Advanced | º7 | A C D# F# A |
| Cdim | C diminished | Intermediate | dim | C D# F# |
| Cº7 | C diminished seventh | Advanced | º7 | C D# F# A |
| Cm7b5 | C minor seventh flat five | Intermediate | m7b5 | C D# F# A# |
| C#dim | C sharp diminished | Intermediate | dim | C# E G |
| C#º7 | C sharp diminished seventh | Advanced | º7 | C# E G A# |
| C#m7b5 | C sharp minor seventh flat five | Intermediate | m7b5 | C# E G B |
| Ddim | D diminished | Intermediate | dim | D F G# |
| Dº7 | D diminished seventh | Advanced | º7 | D F G# B |
| Dbdim | D flat diminished | Intermediate | dim | Db E G |
| Dbº7 | D flat diminished seventh | Advanced | º7 | Db E G Bb |
| Dbm7b5 | D flat minor seventh flat five | Intermediate | m7b5 | Db E G B |
| Dm7b5 | D minor seventh flat five | Intermediate | m7b5 | D F G# C |
| D#dim | D sharp diminished | Intermediate | dim | D# F# A |
| D#º7 | D sharp diminished seventh | Advanced | º7 | D# F# A C |
| D#m7b5 | D sharp minor seventh flat five | Intermediate | m7b5 | D# F# A C# |
| Edim | E diminished | Intermediate | dim | E G A# |
| Eº7 | E diminished seventh | Advanced | º7 | E G A# C# |
| Ebdim | E flat diminished | Intermediate | dim | Eb Gb A |
| Ebº7 | E flat diminished seventh | Advanced | º7 | Eb Gb A C |
| Ebm7b5 | E flat minor seventh flat five | Intermediate | m7b5 | Eb Gb A Db |
| Em7b5 | E minor seventh flat five | Intermediate | m7b5 | E G A# D |
| Fdim | F diminished | Intermediate | dim | F G# B |
| Fº7 | F diminished seventh | Advanced | º7 | F G# B D |
| Fm7b5 | F minor seventh flat five | Intermediate | m7b5 | F G# B D# |
| F#dim | F sharp diminished | Intermediate | dim | F# A C |
| F#º7 | F sharp diminished seventh | Advanced | º7 | F# A C D# |
| F#m7b5 | F sharp minor seventh flat five | Intermediate | m7b5 | F# A C E |
| Gdim | G diminished | Intermediate | dim | G A# C# |
| Gº7 | G diminished seventh | Advanced | º7 | G A# C# E |
| Gbdim | G flat diminished | Intermediate | dim | Gb A C |
| Gbº7 | G flat diminished seventh | Advanced | º7 | Gb A C Eb |
| Gbm7b5 | G flat minor seventh flat five | Intermediate | m7b5 | Gb A C E |
| Gm7b5 | G minor seventh flat five | Intermediate | m7b5 | G A# C# F |
| G#dim | G sharp diminished | Intermediate | dim | G# B D |
| G#º7 | G sharp diminished seventh | Advanced | º7 | G# B D F |
| G#m7b5 | G sharp minor seventh flat five | Intermediate | m7b5 | G# B D F# |
