Neighbours of Cm(maj7)
Every chord one voice of Cm(maj7) reaches by a semitone or a whole tone, on C and so for every root: the voice that steps, the notes that result, and what they spell.
Cm(maj7) holds C Eb G B. 6 chords are one semitone away and 8 chords are one whole tone away; 8 of them spell a chord type and 0 realise a transform a source names.
One semitone away
| Voice | Steps to | Notes | Spells | Named transform |
|---|---|---|---|---|
| C | C#, +1 | C# Eb G B | Ebaug7 | none named |
| Eb | D, -1 | C D G B | Cmaj7sus2 | none named |
| Eb | E, +1 | C E G B | Cmaj7 | none named |
| G | Gb, -1 | C Eb Gb B | no chord type | none named |
| G | G#, +1 | C Eb G# B | no chord type | none named |
| B | Bb, -1 | C Eb G Bb | Eb6, Cm7 | none named |
One whole tone away
| Voice | Steps to | Notes | Spells | Named transform |
|---|---|---|---|---|
| C | Bb, -2 | Bb Eb G B | Bmaj7#5 | none named |
| C | D, +2 | D Eb G B | Ebmaj7#5 | none named |
| Eb | Db, -2 | C Db G B | no chord type | none named |
| Eb | F, +2 | C F G B | Cmaj7sus4 | none named |
| G | F, -2 | C Eb F B | no chord type | none named |
| G | A, +2 | C Eb A B | no chord type | none named |
| B | A, -2 | C Eb G A | Am7b5, Cm6 | none named |
| B | C#, +2 | C Eb G C# | no chord type | none named |
No source this site cites names a transform for this chord type, so every step here stays unnamed.