| Chord | Name | Family | Importance |
| C7#5 | C seventh sharp fifth | 7#5 | Rarely used |
| C#7#5 | C sharp seventh sharp fifth | 7#5 | Rarely used |
| C#m(maj7) | C sharp minor with major seventh | m(maj7) | Rarely used |
| C#9b5 | C sharp ninth flat fifth | 9b5 | Rarely used |
| Cm(maj7) | C minor with major seventh | m(maj7) | Rarely used |
| C9b5 | C ninth flat fifth | 9b5 | Rarely used |
| C9#5 | C ninth sharp fifth | 9#5 | Rarely used |
| Cmaj9 | C major ninth | maj9 | Rarely used |
| Cm9 | C minor ninth | m9 | Rarely used |
| C13 | C thirteenth | 13 | Rarely used |
| Cmaj13 | C major thirteenth | maj13 | Rarely used |
| Cm13 | C minor thirteenth | m13 | Rarely used |
| C9sus4 | C ninth suspended fourth | 9sus4 | Rarely used |
| C9sus2 | C ninth suspended second | 9sus2 | Rarely used |
| C#9#5 | C sharp ninth sharp fifth | 9#5 | Rarely used |
| C#maj9 | C sharp major ninth | maj9 | Rarely used |
| C#m9 | C sharp minor ninth | m9 | Rarely used |
| C#13 | C sharp thirteenth | 13 | Rarely used |
| C#maj13 | C sharp major thirteenth | maj13 | Rarely used |
| C#m13 | C sharp minor thirteenth | m13 | Rarely used |
| C#9sus4 | C sharp ninth suspended fourth | 9sus4 | Rarely used |
| C#9sus2 | C sharp ninth suspended second | 9sus2 | Rarely used |
| D7#5 | D seventh sharp fifth | 7#5 | Rarely used |
| Dm(maj7) | D minor with major seventh | m(maj7) | Rarely used |
| D9b5 | D ninth flat fifth | 9b5 | Rarely used |
| D9#5 | D ninth sharp fifth | 9#5 | Rarely used |
| Dmaj9 | D major ninth | maj9 | Rarely used |
| Dm9 | D minor ninth | m9 | Rarely used |
| D13 | D thirteenth | 13 | Rarely used |
| Dmaj13 | D major thirteenth | maj13 | Rarely used |
| Dm13 | D minor thirteenth | m13 | Rarely used |
| D9sus4 | D ninth suspended fourth | 9sus4 | Rarely used |
| D9sus2 | D ninth suspended second | 9sus2 | Rarely used |
| D#7#5 | D sharp seventh sharp fifth | 7#5 | Rarely used |
| D#m(maj7) | D sharp minor with major seventh | m(maj7) | Rarely used |
| D#9b5 | D sharp ninth flat fifth | 9b5 | Rarely used |
| D#9#5 | D sharp ninth sharp fifth | 9#5 | Rarely used |
| D#maj9 | D sharp major ninth | maj9 | Rarely used |
| D#m9 | D sharp minor ninth | m9 | Rarely used |
| D#13 | D sharp thirteenth | 13 | Rarely used |
| D#maj13 | D sharp major thirteenth | maj13 | Rarely used |
| D#m13 | D sharp minor thirteenth | m13 | Rarely used |
| D#9sus4 | D sharp ninth suspended fourth | 9sus4 | Rarely used |
| D#9sus2 | D sharp ninth suspended second | 9sus2 | Rarely used |
| E7#5 | E seventh sharp fifth | 7#5 | Rarely used |
| Em(maj7) | E minor with major seventh | m(maj7) | Rarely used |
| E9b5 | E ninth flat fifth | 9b5 | Rarely used |
| E9#5 | E ninth sharp fifth | 9#5 | Rarely used |
| Emaj9 | E major ninth | maj9 | Rarely used |
| Em9 | E minor ninth | m9 | Rarely used |
| E13 | E thirteenth | 13 | Rarely used |
| Emaj13 | E major thirteenth | maj13 | Rarely used |
| Em13 | E minor thirteenth | m13 | Rarely used |
| E9sus4 | E ninth suspended fourth | 9sus4 | Rarely used |
| E9sus2 | E ninth suspended second | 9sus2 | Rarely used |
| F7#5 | F seventh sharp fifth | 7#5 | Rarely used |
| Fm(maj7) | F minor with major seventh | m(maj7) | Rarely used |
| F9b5 | F ninth flat fifth | 9b5 | Rarely used |
| F9#5 | F ninth sharp fifth | 9#5 | Rarely used |
| Fmaj9 | F major ninth | maj9 | Rarely used |
| Fm9 | F minor ninth | m9 | Rarely used |
| F13 | F thirteenth | 13 | Rarely used |
| Fmaj13 | F major thirteenth | maj13 | Rarely used |
| Fm13 | F minor thirteenth | m13 | Rarely used |
| F9sus4 | F ninth suspended fourth | 9sus4 | Rarely used |
| F9sus2 | F ninth suspended second | 9sus2 | Rarely used |
| F#7#5 | F sharp seventh sharp fifth | 7#5 | Rarely used |
| F#m(maj7) | F sharp minor with major seventh | m(maj7) | Rarely used |
| F#9b5 | F sharp ninth flat fifth | 9b5 | Rarely used |
| F#9#5 | F sharp ninth sharp fifth | 9#5 | Rarely used |
| F#maj9 | F sharp major ninth | maj9 | Rarely used |
| F#m9 | F sharp minor ninth | m9 | Rarely used |
| F#13 | F sharp thirteenth | 13 | Rarely used |
| F#maj13 | F sharp major thirteenth | maj13 | Rarely used |
| F#m13 | F sharp minor thirteenth | m13 | Rarely used |
| F#9sus4 | F sharp ninth suspended fourth | 9sus4 | Rarely used |
| F#9sus2 | F sharp ninth suspended second | 9sus2 | Rarely used |
| G7#5 | G seventh sharp fifth | 7#5 | Rarely used |
| Gm(maj7) | G minor with major seventh | m(maj7) | Rarely used |
| G9b5 | G ninth flat fifth | 9b5 | Rarely used |
| G9#5 | G ninth sharp fifth | 9#5 | Rarely used |
| Gmaj9 | G major ninth | maj9 | Rarely used |
| Gm9 | G minor ninth | m9 | Rarely used |
| G13 | G thirteenth | 13 | Rarely used |
| Gmaj13 | G major thirteenth | maj13 | Rarely used |
| Gm13 | G minor thirteenth | m13 | Rarely used |
| G9sus4 | G ninth suspended fourth | 9sus4 | Rarely used |
| G9sus2 | G ninth suspended second | 9sus2 | Rarely used |
| G#7#5 | G sharp seventh sharp fifth | 7#5 | Rarely used |
| G#m(maj7) | G sharp minor with major seventh | m(maj7) | Rarely used |
| G#9b5 | G sharp ninth flat fifth | 9b5 | Rarely used |
| G#9#5 | G sharp ninth sharp fifth | 9#5 | Rarely used |
| G#maj9 | G sharp major ninth | maj9 | Rarely used |
| G#m9 | G sharp minor ninth | m9 | Rarely used |
| G#13 | G sharp thirteenth | 13 | Rarely used |
| G#maj13 | G sharp major thirteenth | maj13 | Rarely used |
| G#m13 | G sharp minor thirteenth | m13 | Rarely used |
| G#9sus4 | G sharp ninth suspended fourth | 9sus4 | Rarely used |
| G#9sus2 | G sharp ninth suspended second | 9sus2 | Rarely used |
| A7#5 | A seventh sharp fifth | 7#5 | Rarely used |
| Am(maj7) | A minor with major seventh | m(maj7) | Rarely used |
| A9b5 | A ninth flat fifth | 9b5 | Rarely used |
| A9#5 | A ninth sharp fifth | 9#5 | Rarely used |
| Amaj9 | A major ninth | maj9 | Rarely used |
| Am9 | A minor ninth | m9 | Rarely used |
| A13 | A thirteenth | 13 | Rarely used |
| Amaj13 | A major thirteenth | maj13 | Rarely used |
| Am13 | A minor thirteenth | m13 | Rarely used |
| A9sus4 | A ninth suspended fourth | 9sus4 | Rarely used |
| A9sus2 | A ninth suspended second | 9sus2 | Rarely used |
| A#7#5 | A sharp seventh sharp fifth | 7#5 | Rarely used |
| A#m(maj7) | A sharp minor with major seventh | m(maj7) | Rarely used |
| A#9b5 | A sharp ninth flat fifth | 9b5 | Rarely used |
| A#9#5 | A sharp ninth sharp fifth | 9#5 | Rarely used |
| A#maj9 | A sharp major ninth | maj9 | Rarely used |
| A#m9 | A sharp minor ninth | m9 | Rarely used |
| A#13 | A sharp thirteenth | 13 | Rarely used |
| A#maj13 | A sharp major thirteenth | maj13 | Rarely used |
| A#m13 | A sharp minor thirteenth | m13 | Rarely used |
| A#9sus4 | A sharp ninth suspended fourth | 9sus4 | Rarely used |
| A#9sus2 | A sharp ninth suspended second | 9sus2 | Rarely used |
| B7#5 | B seventh sharp fifth | 7#5 | Rarely used |
| Bm(maj7) | B minor with major seventh | m(maj7) | Rarely used |
| B9b5 | B ninth flat fifth | 9b5 | Rarely used |
| B9#5 | B ninth sharp fifth | 9#5 | Rarely used |
| Bmaj9 | B major ninth | maj9 | Rarely used |
| Bm9 | B minor ninth | m9 | Rarely used |
| B13 | B thirteenth | 13 | Rarely used |
| Bmaj13 | B major thirteenth | maj13 | Rarely used |
| Bm13 | B minor thirteenth | m13 | Rarely used |
| B9sus4 | B ninth suspended fourth | 9sus4 | Rarely used |
| B9sus2 | B ninth suspended second | 9sus2 | Rarely used |
| Cmaj9\E | C (with E added as the lower note) major ninth | maj9 | Rarely used |
| Cm9\D# | C (with D# added as the lower note) minor ninth | m9 | Rarely used |
| C9sus4\G | C (with G added as the lower note) ninth suspended fourth | 9sus4 | Rarely used |
| C9#5\E | C (with E added as the lower note) ninth sharp fifth | 9#5 | Rarely used |
| C13\A# | C (with A# added as the lower note) thirteenth | 13 | Rarely used |
| Db7#5 | D flat seventh sharp fifth | 7#5 | Rarely used |
| Dbm(maj7) | D flat minor with major seventh | m(maj7) | Rarely used |
| Db9b5 | D flat ninth flat fifth | 9b5 | Rarely used |
| Db9#5 | D flat ninth sharp fifth | 9#5 | Rarely used |
| Dbmaj9 | D flat major ninth | maj9 | Rarely used |
| Dbm9 | D flat minor ninth | m9 | Rarely used |
| Db13 | D flat thirteenth | 13 | Rarely used |
| Dbmaj13 | D flat major thirteenth | maj13 | Rarely used |
| Dbm13 | D flat minor thirteenth | m13 | Rarely used |
| Db9sus4 | D flat ninth suspended fourth | 9sus4 | Rarely used |
| Db9sus2 | D flat ninth suspended second | 9sus2 | Rarely used |
| Eb7#5 | E flat seventh sharp fifth | 7#5 | Rarely used |
| Ebm(maj7) | E flat minor with major seventh | m(maj7) | Rarely used |
| Eb9b5 | E flat ninth flat fifth | 9b5 | Rarely used |
| Eb9#5 | E flat ninth sharp fifth | 9#5 | Rarely used |
| Ebmaj9 | E flat major ninth | maj9 | Rarely used |
| Ebm9 | E flat minor ninth | m9 | Rarely used |
| Eb13 | E flat thirteenth | 13 | Rarely used |
| Ebmaj13 | E flat major thirteenth | maj13 | Rarely used |
| Ebm13 | E flat minor thirteenth | m13 | Rarely used |
| Eb9sus4 | E flat ninth suspended fourth | 9sus4 | Rarely used |
| Eb9sus2 | E flat ninth suspended second | 9sus2 | Rarely used |
| Gb7#5 | G flat seventh sharp fifth | 7#5 | Rarely used |
| Gbm(maj7) | G flat minor with major seventh | m(maj7) | Rarely used |
| Gb9b5 | G flat ninth flat fifth | 9b5 | Rarely used |
| Gb9#5 | G flat ninth sharp fifth | 9#5 | Rarely used |
| Gbmaj9 | G flat major ninth | maj9 | Rarely used |
| Gbm9 | G flat minor ninth | m9 | Rarely used |
| Gb13 | G flat thirteenth | 13 | Rarely used |
| Gbmaj13 | G flat major thirteenth | maj13 | Rarely used |
| Gbm13 | G flat minor thirteenth | m13 | Rarely used |
| Gb9sus4 | G flat ninth suspended fourth | 9sus4 | Rarely used |
| Gb9sus2 | G flat ninth suspended second | 9sus2 | Rarely used |
| Ab7#5 | A flat seventh sharp fifth | 7#5 | Rarely used |
| Abm(maj7) | A flat minor with major seventh | m(maj7) | Rarely used |
| Ab9b5 | A flat ninth flat fifth | 9b5 | Rarely used |
| Ab9#5 | A flat ninth sharp fifth | 9#5 | Rarely used |
| Abmaj9 | A flat major ninth | maj9 | Rarely used |
| Abm9 | A flat minor ninth | m9 | Rarely used |
| Ab13 | A flat thirteenth | 13 | Rarely used |
| Abmaj13 | A flat major thirteenth | maj13 | Rarely used |
| Abm13 | A flat minor thirteenth | m13 | Rarely used |
| Ab9sus4 | A flat ninth suspended fourth | 9sus4 | Rarely used |
| Ab9sus2 | A flat ninth suspended second | 9sus2 | Rarely used |
| Bb7#5 | B flat seventh sharp fifth | 7#5 | Rarely used |
| Bbm(maj7) | B flat minor with major seventh | m(maj7) | Rarely used |
| Bb9b5 | B flat ninth flat fifth | 9b5 | Rarely used |
| Bb9#5 | B flat ninth sharp fifth | 9#5 | Rarely used |
| Bbmaj9 | B flat major ninth | maj9 | Rarely used |
| Bbm9 | B flat minor ninth | m9 | Rarely used |
| Bb13 | B flat thirteenth | 13 | Rarely used |
| Bbmaj13 | B flat major thirteenth | maj13 | Rarely used |
| Bbm13 | B flat minor thirteenth | m13 | Rarely used |
| Bb9sus4 | B flat ninth suspended fourth | 9sus4 | Rarely used |
| Bb9sus2 | B flat ninth suspended second | 9sus2 | Rarely used |
| Cm9\Eb | C (with Eb added as the lower note) minor ninth | m9 | Rarely used |
| C13\Bb | C (with Bb added as the lower note) thirteenth | 13 | Rarely used |