Neighbours of C minor

Every chord one voice of C minor 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.

C minor holds C Eb G. 6 chords are one semitone away and 6 chords are one whole tone away; 8 of them spell a chord type and 3 realise a transform a source names.

One semitone away

Every chord one voice away from C minor by one semitone
Voice Steps to Notes Spells Named transform
C B, -1 B Eb G Ebaug, Gaug, Baug none named
C C#, +1 C# Eb G no chord type none named
Eb D, -1 C D G Csus2, Gsus4 none named
Eb E, +1 C E G C P, Parallel — Open Music Theory
G Gb, -1 C Eb Gb Cdim none named
G G#, +1 C Eb G# Ab L, Leading-tone exchange — Open Music Theory

One whole tone away

Every chord one voice away from C minor by one whole tone
Voice Steps to Notes Spells Named transform
C Bb, -2 Bb Eb G Eb R, Relative — Open Music Theory
C D, +2 D Eb G no chord type none named
Eb Db, -2 C Db G no chord type none named
Eb F, +2 C F G Fsus2, Csus4 none named
G F, -2 C Eb F no chord type none named
G A, +2 C Eb A Adim none named

Transform names: Open Music Theory, 2nd edition, Mark Gotham, Kyle Gullings, Chelsey Hamm, Bryn Hughes, Brian Jarvis, Megan Lavengood and John Peterson.

Every chord type · Rank any two chords in the calculator