| Chord | Name | Family | Importance |
| C6 | C sixth | 6 | occasionally used |
| Cm6 | C minor sixth | m6 | occasionally used |
| C6/9 | C sixth ninth | 6/9 | occasionally used |
| Cmaj7 | C major seventh | maj7 | occasionally used |
| C7b5 | C seventh flat fifth | 7b5 | occasionally used |
| C#6 | C sharp sixth | 6 | occasionally used |
| C#m6 | C sharp minor sixth | m6 | occasionally used |
| C#6/9 | C sharp sixth ninth | 6/9 | occasionally used |
| C#maj7 | C sharp major seventh | maj7 | occasionally used |
| C#7b5 | C sharp seventh flat fifth | 7b5 | occasionally used |
| C#m7b5 | C sharp minor seventh flat fifth | m7b5 | occasionally used |
| C#9 | C sharp ninth | 9 | occasionally used |
| Cm7b5 | C minor seventh flat fifth | m7b5 | occasionally used |
| C9 | C ninth | 9 | occasionally used |
| Cm11 | C minor eleventh | m11 | occasionally used |
| C7sus4 | C dominant seventh suspended fourth | 7sus4 | occasionally used |
| C7sus2 | C dominant seventh suspended second | 7sus2 | occasionally used |
| Caug | C augmented | aug | occasionally used |
| Cdim | C diminished | dim | occasionally used |
| C#m11 | C sharp minor eleventh | m11 | occasionally used |
| C#7sus4 | C sharp dominant seventh suspended fourth | 7sus4 | occasionally used |
| C#7sus2 | C sharp dominant seventh suspended second | 7sus2 | occasionally used |
| C#aug | C sharp augmented | aug | occasionally used |
| C#dim | C sharp diminished | dim | occasionally used |
| D6 | D sixth | 6 | occasionally used |
| Dm6 | D minor sixth | m6 | occasionally used |
| D6/9 | D sixth ninth | 6/9 | occasionally used |
| Dmaj7 | D major seventh | maj7 | occasionally used |
| D7b5 | D seventh flat fifth | 7b5 | occasionally used |
| Dm7b5 | D minor seventh flat fifth | m7b5 | occasionally used |
| D9 | D ninth | 9 | occasionally used |
| Dm11 | D minor eleventh | m11 | occasionally used |
| D7sus4 | D dominant seventh suspended fourth | 7sus4 | occasionally used |
| D7sus2 | D dominant seventh suspended second | 7sus2 | occasionally used |
| Daug | D augmented | aug | occasionally used |
| Ddim | D diminished | dim | occasionally used |
| D#6 | D sharp sixth | 6 | occasionally used |
| D#m6 | D sharp minor sixth | m6 | occasionally used |
| D#6/9 | D sharp sixth ninth | 6/9 | occasionally used |
| D#maj7 | D sharp major seventh | maj7 | occasionally used |
| D#7b5 | D sharp seventh flat fifth | 7b5 | occasionally used |
| D#m7b5 | D sharp minor seventh flat fifth | m7b5 | occasionally used |
| D#9 | D sharp ninth | 9 | occasionally used |
| D#m11 | D sharp minor eleventh | m11 | occasionally used |
| D#7sus4 | D sharp dominant seventh suspended fourth | 7sus4 | occasionally used |
| D#7sus2 | D sharp dominant seventh suspended second | 7sus2 | occasionally used |
| D#aug | D sharp augmented | aug | occasionally used |
| D#dim | D sharp diminished | dim | occasionally used |
| E6 | E sixth | 6 | occasionally used |
| Em6 | E minor sixth | m6 | occasionally used |
| E6/9 | E sixth ninth | 6/9 | occasionally used |
| Emaj7 | E major seventh | maj7 | occasionally used |
| E7b5 | E seventh flat fifth | 7b5 | occasionally used |
| Em7b5 | E minor seventh flat fifth | m7b5 | occasionally used |
| E9 | E ninth | 9 | occasionally used |
| Em11 | E minor eleventh | m11 | occasionally used |
| E7sus4 | E dominant seventh suspended fourth | 7sus4 | occasionally used |
| E7sus2 | E dominant seventh suspended second | 7sus2 | occasionally used |
| Eaug | E augmented | aug | occasionally used |
| Edim | E diminished | dim | occasionally used |
| F6 | F sixth | 6 | occasionally used |
| Fm6 | F minor sixth | m6 | occasionally used |
| F6/9 | F sixth ninth | 6/9 | occasionally used |
| Fmaj7 | F major seventh | maj7 | occasionally used |
| F7b5 | F seventh flat fifth | 7b5 | occasionally used |
| Fm7b5 | F minor seventh flat fifth | m7b5 | occasionally used |
| F9 | F ninth | 9 | occasionally used |
| Fm11 | F minor eleventh | m11 | occasionally used |
| F7sus4 | F dominant seventh suspended fourth | 7sus4 | occasionally used |
| F7sus2 | F dominant seventh suspended second | 7sus2 | occasionally used |
| Faug | F augmented | aug | occasionally used |
| Fdim | F diminished | dim | occasionally used |
| F#6 | F sharp sixth | 6 | occasionally used |
| F#m6 | F sharp minor sixth | m6 | occasionally used |
| F#6/9 | F sharp sixth ninth | 6/9 | occasionally used |
| F#maj7 | F sharp major seventh | maj7 | occasionally used |
| F#7b5 | F sharp seventh flat fifth | 7b5 | occasionally used |
| F#m7b5 | F sharp minor seventh flat fifth | m7b5 | occasionally used |
| F#9 | F sharp ninth | 9 | occasionally used |
| F#m11 | F sharp minor eleventh | m11 | occasionally used |
| F#7sus4 | F sharp dominant seventh suspended fourth | 7sus4 | occasionally used |
| F#7sus2 | F sharp dominant seventh suspended second | 7sus2 | occasionally used |
| F#aug | F sharp augmented | aug | occasionally used |
| F#dim | F sharp diminished | dim | occasionally used |
| G6 | G sixth | 6 | occasionally used |
| Gm6 | G minor sixth | m6 | occasionally used |
| G6/9 | G sixth ninth | 6/9 | occasionally used |
| Gmaj7 | G major seventh | maj7 | occasionally used |
| G7b5 | G seventh flat fifth | 7b5 | occasionally used |
| Gm7b5 | G minor seventh flat fifth | m7b5 | occasionally used |
| G9 | G ninth | 9 | occasionally used |
| Gm11 | G minor eleventh | m11 | occasionally used |
| G7sus4 | G dominant seventh suspended fourth | 7sus4 | occasionally used |
| G7sus2 | G dominant seventh suspended second | 7sus2 | occasionally used |
| Gaug | G augmented | aug | occasionally used |
| Gdim | G diminished | dim | occasionally used |
| G#6 | G sharp sixth | 6 | occasionally used |
| G#m6 | G sharp minor sixth | m6 | occasionally used |
| G#6/9 | G sharp sixth ninth | 6/9 | occasionally used |
| G#maj7 | G sharp major seventh | maj7 | occasionally used |
| G#7b5 | G sharp seventh flat fifth | 7b5 | occasionally used |
| G#m7b5 | G sharp minor seventh flat fifth | m7b5 | occasionally used |
| G#9 | G sharp ninth | 9 | occasionally used |
| G#m11 | G sharp minor eleventh | m11 | occasionally used |
| G#7sus4 | G sharp dominant seventh suspended fourth | 7sus4 | occasionally used |
| G#7sus2 | G sharp dominant seventh suspended second | 7sus2 | occasionally used |
| G#aug | G sharp augmented | aug | occasionally used |
| G#dim | G sharp diminished | dim | occasionally used |
| A6 | A sixth | 6 | occasionally used |
| Am6 | A minor sixth | m6 | occasionally used |
| A6/9 | A sixth ninth | 6/9 | occasionally used |
| Amaj7 | A major seventh | maj7 | occasionally used |
| A7b5 | A seventh flat fifth | 7b5 | occasionally used |
| Am7b5 | A minor seventh flat fifth | m7b5 | occasionally used |
| A9 | A ninth | 9 | occasionally used |
| Am11 | A minor eleventh | m11 | occasionally used |
| A7sus4 | A dominant seventh suspended fourth | 7sus4 | occasionally used |
| A7sus2 | A dominant seventh suspended second | 7sus2 | occasionally used |
| Aaug | A augmented | aug | occasionally used |
| Adim | A diminished | dim | occasionally used |
| A#6 | A sharp sixth | 6 | occasionally used |
| A#m6 | A sharp minor sixth | m6 | occasionally used |
| A#6/9 | A sharp sixth ninth | 6/9 | occasionally used |
| A#maj7 | A sharp major seventh | maj7 | occasionally used |
| A#7b5 | A sharp seventh flat fifth | 7b5 | occasionally used |
| A#m7b5 | A sharp minor seventh flat fifth | m7b5 | occasionally used |
| A#9 | A sharp ninth | 9 | occasionally used |
| A#m11 | A sharp minor eleventh | m11 | occasionally used |
| A#7sus4 | A sharp dominant seventh suspended fourth | 7sus4 | occasionally used |
| A#7sus2 | A sharp dominant seventh suspended second | 7sus2 | occasionally used |
| A#aug | A sharp augmented | aug | occasionally used |
| A#dim | A sharp diminished | dim | occasionally used |
| B6 | B sixth | 6 | occasionally used |
| Bm6 | B minor sixth | m6 | occasionally used |
| B6/9 | B sixth ninth | 6/9 | occasionally used |
| Bmaj7 | B major seventh | maj7 | occasionally used |
| B7b5 | B seventh flat fifth | 7b5 | occasionally used |
| Bm7b5 | B minor seventh flat fifth | m7b5 | occasionally used |
| B9 | B ninth | 9 | occasionally used |
| Bm11 | B minor eleventh | m11 | occasionally used |
| B7sus4 | B dominant seventh suspended fourth | 7sus4 | occasionally used |
| B7sus2 | B dominant seventh suspended second | 7sus2 | occasionally used |
| Baug | B augmented | aug | occasionally used |
| Bdim | B diminished | dim | occasionally used |
| C6\G | C (with G added as the lower note) sixth | 6 | occasionally used |
| C6/9\E | C (with E added as the lower note) sixth ninth | 6/9 | occasionally used |
| C6/9\G | C (with G added as the lower note) sixth ninth | 6/9 | occasionally used |
| Cmaj7\G | C (with G added as the lower note) major seventh | maj7 | occasionally used |
| Cm6\A | C (with A added as the lower note) minor sixth | m6 | occasionally used |
| C7sus4\G | C (with G added as the lower note) dominant seventh suspended fourth | 7sus4 | occasionally used |
| C9\G | C (with G added as the lower note) ninth | 9 | occasionally used |
| Db6 | D flat sixth | 6 | occasionally used |
| Dbm6 | D flat minor sixth | m6 | occasionally used |
| Db6/9 | D flat sixth ninth | 6/9 | occasionally used |
| Dbmaj7 | D flat major seventh | maj7 | occasionally used |
| Db7b5 | D flat seventh flat fifth | 7b5 | occasionally used |
| Dbm7b5 | D flat minor seventh flat fifth | m7b5 | occasionally used |
| Db9 | D flat ninth | 9 | occasionally used |
| Dbm11 | D flat minor eleventh | m11 | occasionally used |
| Db7sus4 | D flat dominant seventh suspended fourth | 7sus4 | occasionally used |
| Db7sus2 | D flat dominant seventh suspended second | 7sus2 | occasionally used |
| Dbaug | D flat augmented | aug | occasionally used |
| Dbdim | D flat diminished | dim | occasionally used |
| Eb6 | E flat sixth | 6 | occasionally used |
| Ebm6 | E flat minor sixth | m6 | occasionally used |
| Eb6/9 | E flat sixth ninth | 6/9 | occasionally used |
| Ebmaj7 | E flat major seventh | maj7 | occasionally used |
| Eb7b5 | E flat seventh flat fifth | 7b5 | occasionally used |
| Ebm7b5 | E flat minor seventh flat fifth | m7b5 | occasionally used |
| Eb9 | E flat ninth | 9 | occasionally used |
| Ebm11 | E flat minor eleventh | m11 | occasionally used |
| Eb7sus4 | E flat dominant seventh suspended fourth | 7sus4 | occasionally used |
| Eb7sus2 | E flat dominant seventh suspended second | 7sus2 | occasionally used |
| Ebaug | E flat augmented | aug | occasionally used |
| Ebdim | E flat diminished | dim | occasionally used |
| Gb6 | G flat sixth | 6 | occasionally used |
| Gbm6 | G flat minor sixth | m6 | occasionally used |
| Gb6/9 | G flat sixth ninth | 6/9 | occasionally used |
| Gbmaj7 | G flat major seventh | maj7 | occasionally used |
| Gb7b5 | G flat seventh flat fifth | 7b5 | occasionally used |
| Gbm7b5 | G flat minor seventh flat fifth | m7b5 | occasionally used |
| Gb9 | G flat ninth | 9 | occasionally used |
| Gbm11 | G flat minor eleventh | m11 | occasionally used |
| Gb7sus4 | G flat dominant seventh suspended fourth | 7sus4 | occasionally used |
| Gb7sus2 | G flat dominant seventh suspended second | 7sus2 | occasionally used |
| Gbaug | G flat augmented | aug | occasionally used |
| Gbdim | G flat diminished | dim | occasionally used |
| Ab6 | A flat sixth | 6 | occasionally used |
| Abm6 | A flat minor sixth | m6 | occasionally used |
| Ab6/9 | A flat sixth ninth | 6/9 | occasionally used |
| Abmaj7 | A flat major seventh | maj7 | occasionally used |
| Ab7b5 | A flat seventh flat fifth | 7b5 | occasionally used |
| Abm7b5 | A flat minor seventh flat fifth | m7b5 | occasionally used |
| Ab9 | A flat ninth | 9 | occasionally used |
| Abm11 | A flat minor eleventh | m11 | occasionally used |
| Ab7sus4 | A flat dominant seventh suspended fourth | 7sus4 | occasionally used |
| Ab7sus2 | A flat dominant seventh suspended second | 7sus2 | occasionally used |
| Abaug | A flat augmented | aug | occasionally used |
| Abdim | A flat diminished | dim | occasionally used |
| Bb6 | B flat sixth | 6 | occasionally used |
| Bbm6 | B flat minor sixth | m6 | occasionally used |
| Bb6/9 | B flat sixth ninth | 6/9 | occasionally used |
| Bbmaj7 | B flat major seventh | maj7 | occasionally used |
| Bb7b5 | B flat seventh flat fifth | 7b5 | occasionally used |
| Bbm7b5 | B flat minor seventh flat fifth | m7b5 | occasionally used |
| Bb9 | B flat ninth | 9 | occasionally used |
| Bbm11 | B flat minor eleventh | m11 | occasionally used |
| Bb7sus4 | B flat dominant seventh suspended fourth | 7sus4 | occasionally used |
| Bb7sus2 | B flat dominant seventh suspended second | 7sus2 | occasionally used |
| Bbaug | B flat augmented | aug | occasionally used |
| Bbdim | B flat diminished | dim | occasionally used |