Ref: Chord Names/Notes/Spellings

+ Chord Names/Notes/Spelling

Family	Name(s)	Notes	Spelling
Triads	Major	R M3 P5	X
	Minor	R m3 P5	Xm
	Augmented	R M3 A5	X+ or Xaug
	Diminished	R m3 d5	X or Xdim
Suspensions	Suspended 2nd	R M2 P5	Xsus2
	Suspended 4th	R M4 P5	Xsus4
Sixths	Major 6th	R M3 P5 M6	X6
	Minor 6th	R m3 P5 M6	Xm6
Sevenths	Dominant 7th	R M3 P5 m7	X7
	Minor 7th	R m3 P5 m7	Xm7
	Major 7th	R M3 P5 m7	Xmaj7 or Xtriangle7
	Minor/Major 7th	R m3 P5 M7	Xm maj7, Xm triangle7, Xmaj7 b3, X triangle7 b3
	Fully Diminished	R m3 d5 d7	Xo7 or Xdim7
	Half Diminished	R m3 d5 m7	Xo-, Xo-7, or Xm7 b5
Ninths	Dominant 9th	R M3 P5 m7 M9	X9
	Minor 9th	R m3 P5 m7 M9	Xm9
	Dominant Minor 9th	R M3 P5 m7 m9	X7b9
	Major 9th	R M3 P5 M7 M9	Xmaj9 or Xtriangle9
	Augmented 9th	R M3 P5 m7 A9	X7+9 or X7#9
	6/9	R M3 P5 M6 M9	X9b7 or X9-7
	Major Add 9	R M3 P5 M9	X add9
	Minor Add 9	R m3 P5 M9	Xm add9
Elevenths	Diatonic 11th	R [M3] P5 M7 M9 P11	X9sus4, Ydim/X where Y = bX (if 5th is omitted)
	Dominant 11th	R M3 P5 m7 M9 P11	X11
	Dominant #11th (Jazz 11th)	R M3 P5 m7 M9 A11	X9+11, X9#11, X9b5 (if P5 is omitted)
	Minor 11th	R m3 P5 m7 M9 P11	Xm11
	Major 11th	R M3 P5 M7 M9 A11	Xmaj11 or Xtriangle11
Thirteenths	Dominant 13th	R M3 P5 m7 M9 [P11] M13	X13
	Minor 13th	R m3 P5 m7 M9 P11 M13	Xm13
	Major 13th	R M3 P5 M7 M9 P11 M13	Xmaj13 or Xtriangle13