Chord Forms Reference
- All chord forms recognized and generated by Chord Cracker apps
- X = Required note, O = Optional note

Name

Abbrev.

R

2

m3

3

4

5b

5

m6

6

m7

7

R

9b

9

9#

10

11

13

Major

Major

X

X

X

Minor

minor

X

X

X

Diminished

dim

X

X

X

Augmented

aug

X

X

X

'5th'

5

X

X

6th

6

X

X

X

X

Minor 6th

m6

X

X

X

X

Dominant 7th

7

X

X

O

X

Major 7th

M7

X

X

X

X

Minor 7th

m7

X

X

X

X

Suspended 2nd

sus2

X

X

X

Suspended 4th

sus4

X

X

X

Dominant 7th Suspended 2nd

7sus2

X

X

X

X

Major 7th Suspended 2nd

M7sus2

X

X

X

X

Dominant 7th Suspended 4th

7sus4

X

X

X

X

Major 7th Suspended 4th

M7sus4

X

X

X

X

Major/Minor 7th

Mm7

X

X

X

X

Augmented Major 7th

+M7

X

X

X

X

Augmented Dominant 7th

+7

X

X

X

X

Half-Diminished 7th

hd7

X

X

X

X

Diminshed 7th

dim7

X

X

X

X

7th Flat-5th

7b5

X

X

X

X

7th Sharp-9th

7#9

X

X

X

X

X

Major 9th

M9

X

X

O

X

X

Dominant 9th

9

X

X

O

X

X

Minor/Major 9th

mM9

X

X

O

X

X

Augmented Major 9th

+M9

X

X

X

X

X

Augmented 9th

+9

X

X

X

X

X

Half-Diminished 9th

hd9

X

X

X

X

X

Half-Diminished Flat-9th

hdb9

X

X

X

X

X

Diminished 9th

d9

X

X

X

X

X

Diminished Flat-9th

db9

X

X

X

X

X

Minor 9th

m9

X

X

O

X

X

Add-9th

add9

X

X

O

X

Minor Add-9th

madd9

X

X

O

X

Agumented Add-9th

+add9

X

X

X

X

Diminished Add-9th

dadd9

X

X

X

X

Diminished Add-Flat-9th

daddb9

X

X

X

X

Six/Nine

6/9

X

X

X

X

X

Six/Ten

6/10

X

X

X

X

X

Dominant 11th

11

O

X

O

X

X

X

Major 11th

M11

O

X

O

X

X

X

Minor/Major 11th

mM11

O

X

O

X

X

X

Minor 11th

m11

O

X

O

X

X

X

Augmented Major 11th

+M11

O

X

X

X

X

X

Augmented 11th

+11

O

X

X

X

X

X

Half-Diminished 11th

hd11

O

X

X

X

X

X

Diminished 11th

dim11

O

X

X

X

X

X

Add-11th

add11

X

X

O

X

Minor Add-11th

madd11

X

X

O

X

Augmented Add-11th

+add11

X

X

X

X

Half-Diminished Add-11th

hdadd11

X

X

X

X

Diminished Add-11th

dadd11

X

X

X

X

Add-9th/11th

add9/11

X

X

O

X

X

Minor Add-9th/11th

madd9/11

X

X

O

X

X

Augmented Add-9th/11th

+add9/11

X

X

X

X

X

Half-Diminshed Add-9th/11th

hdadd9/11

X

X

X

X

X

Diminished Add-9th/11th

dadd9/11

X

X

X

X

X

Major 13th

M13

O

X

O

X

X

O

X

Dominant 13th

13

O

X

O

X

X

O

X

Minor/Major 13th

mM13

O

X

O

X

X

O

X

Minor 13th

m13

O

X

O

X

X

O

X

Augmented Major 13th

+M13

O

X

X

X

X

O

X

Augmented 13th

+13

O

X

X

X

X

O

X

Half-Diminished 13th

hdim13

O

X

X

X

X

O

X

Add-13th

add13

X

X

O

X

Minor Add-13th

madd13

X

X

O

X

Augmented Add-13th

+add13

X

X

X

X

Add-9th/13th

add9/13

X

X

O

X

X

Minor Add-9th/13th

madd9/13

X

X

O

X

X

Augmented Add-9th/13th

+add9/13

X

X

X

X

X

Half-Diminished Add-9th/13th

hdadd9/13

X

X

X

X

X